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.

[219.696, 113.795, 225.698, 165.323, 210.096, 228.349, 96.714, -54.706, 57.219, 240.651]
[ 0.146  0.076  0.15   0.11   0.14   0.152  0.064 -0.036  0.038  0.16 ]