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Finding the Fourth Proportional to 348.25, 517.68 and 337.89

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Solution

The fourth proportional to 348.25, 517.68 and 337.89 is: 502.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    348.25 : 517.68 = 337.89 : x
  2. Step 2: Convert to fraction form
    348.25/517.68 = 337.89/x
  3. Step 3: Cross multiply
    348.25x = 517.68 × 337.89
  4. Step 4: Simplify right side
    348.25x = 174,918.90
  5. Step 5: Solve for x
    x = 174,918.90/348.25
  6. Step 6: Final answer
    x = 502.28

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.