In order to solve this question, we need to convert kilograms to pounds. We can use:
1 kilogram = 2.20462 pounds
So, the 156.5 kilograms can be written as:
156.5 kilograms = 156.5 * 2.20462 pounds = 345.02303 pounds
Approximating this result to one-tenth, we find that the ostrich can weigh about 345.0 pounds.