Finding the Fourth Proportional to 191.34, 285.71 and 150.30

Step by Step Solution

1. Step 1: Write the proportion equation
   191.34 : 285.71 = 150.30 : x
2. Step 2: Convert to fraction form
   191.34/285.71 = 150.30/x
3. Step 3: Cross multiply
   191.34x = 285.71 × 150.30
4. Step 4: Simplify right side
   191.34x = 42,942.59
5. Step 5: Solve for x
   x = 42,942.59/191.34
6. Step 6: Final answer
   x = 224.43