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Finding the Third Proportional to 234.38 and 337.88

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Solution

The third proportional to 234.38 and 337.88 is: 487.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    234.38 : 337.88 = 337.88 : x
  2. Step 2: Convert to fraction form
    234.38/337.88 = 337.88/x
  3. Step 3: Cross multiply
    234.38x = 337.88 × 337.88
  4. Step 4: Simplify right side
    234.38x = 114,159.52
  5. Step 5: Solve for x
    x = 114,159.52/234.38
  6. Step 6: Final answer
    x = 487.08

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.