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Finding the Fourth Proportional to 337.20, 506.02 and 215.52

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Solution

The fourth proportional to 337.20, 506.02 and 215.52 is: 323.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.20 : 506.02 = 215.52 : x
  2. Step 2: Convert to fraction form
    337.20/506.02 = 215.52/x
  3. Step 3: Cross multiply
    337.20x = 506.02 × 215.52
  4. Step 4: Simplify right side
    337.20x = 109,057.43
  5. Step 5: Solve for x
    x = 109,057.43/337.20
  6. Step 6: Final answer
    x = 323.42

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