154.4
Rounding up requires the next decimal to be more than 5.
154.46 or even 154.450001 would round to 154.5
*Some texts state that rounding off depends on whether the number preceding a 5 is even or odd, and resulting in an even last number. This up or down technique would only be relevant where sums are going to be averaged.
It is 232.4 when rounded to the nearest tenth
It is then 20.2 when rounded to the nearest tenth
10.5
33.8
79.4
It is 5.2 when rounded to the nearest tenths.
65.6
It is then 52.8 when rounded to the nearest tenth
It is then 56.5 when rounded to the nearest tenth
It is 232.4 when rounded to the nearest tenth
It is then 20.2 when rounded to the nearest tenth
It is 0.8 when rounded to the nearest tenth
4.4
Oh honey, 113.04 rounded to the nearest tenth is 113.0. It's as simple as that. No need to make a big fuss over it.
10775.9
2.7
54.4