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Finding the Fourth Proportional to 347.38, 520.66 and 336.04

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Solution

The fourth proportional to 347.38, 520.66 and 336.04 is: 503.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    347.38 : 520.66 = 336.04 : x
  2. Step 2: Convert to fraction form
    347.38/520.66 = 336.04/x
  3. Step 3: Cross multiply
    347.38x = 520.66 × 336.04
  4. Step 4: Simplify right side
    347.38x = 174,962.59
  5. Step 5: Solve for x
    x = 174,962.59/347.38
  6. Step 6: Final answer
    x = 503.66

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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.