Finding the Fourth Proportional to 250.72, 375.72 and 196.72

Step by Step Solution

1. Step 1: Write the proportion equation
   250.72 : 375.72 = 196.72 : x
2. Step 2: Convert to fraction form
   250.72/375.72 = 196.72/x
3. Step 3: Cross multiply
   250.72x = 375.72 × 196.72
4. Step 4: Simplify right side
   250.72x = 73,911.64
5. Step 5: Solve for x
   x = 73,911.64/250.72
6. Step 6: Final answer
   x = 294.80