Finding the Fourth Proportional to 151.72, 227.32 and 100.18

Step by Step Solution

1. Step 1: Write the proportion equation
   151.72 : 227.32 = 100.18 : x
2. Step 2: Convert to fraction form
   151.72/227.32 = 100.18/x
3. Step 3: Cross multiply
   151.72x = 227.32 × 100.18
4. Step 4: Simplify right side
   151.72x = 22,772.10
5. Step 5: Solve for x
   x = 22,772.10/151.72
6. Step 6: Final answer
   x = 150.10