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Finding the Fourth Proportional to 371.31, 557.16 and 332.97

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Solution

The fourth proportional to 371.31, 557.16 and 332.97 is: 499.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    371.31 : 557.16 = 332.97 : x
  2. Step 2: Convert to fraction form
    371.31/557.16 = 332.97/x
  3. Step 3: Cross multiply
    371.31x = 557.16 × 332.97
  4. Step 4: Simplify right side
    371.31x = 185,517.57
  5. Step 5: Solve for x
    x = 185,517.57/371.31
  6. Step 6: Final answer
    x = 499.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.