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Finding the Fourth Proportional to 347.36, 517.35 and 337.79

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Solution

The fourth proportional to 347.36, 517.35 and 337.79 is: 503.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    347.36 : 517.35 = 337.79 : x
  2. Step 2: Convert to fraction form
    347.36/517.35 = 337.79/x
  3. Step 3: Cross multiply
    347.36x = 517.35 × 337.79
  4. Step 4: Simplify right side
    347.36x = 174,753.97
  5. Step 5: Solve for x
    x = 174,753.97/347.36
  6. Step 6: Final answer
    x = 503.09

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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.