In this task, you will be given a list of numbers. The goal is to divide all the numbers in the list by a constant such that the sum of the resulting list is 1. The output should be rounded to 3 decimals.

[228.7, 210.916, 240.53, 233.557, -3.069, 154.294, 197.238, 41.907, 180.299, 100.144]
[ 0.144  0.133  0.152  0.147 -0.002  0.097  0.124  0.026  0.114  0.063]