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Finding the Fourth Proportional to 337.32, 506.61 and 255.96

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Solution

The fourth proportional to 337.32, 506.61 and 255.96 is: 384.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.32 : 506.61 = 255.96 : x
  2. Step 2: Convert to fraction form
    337.32/506.61 = 255.96/x
  3. Step 3: Cross multiply
    337.32x = 506.61 × 255.96
  4. Step 4: Simplify right side
    337.32x = 129,671.90
  5. Step 5: Solve for x
    x = 129,671.90/337.32
  6. Step 6: Final answer
    x = 384.42

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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.