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Finding the Fourth Proportional to 379.52, 523.56 and 244.80

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Solution

The fourth proportional to 379.52, 523.56 and 244.80 is: 337.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    379.52 : 523.56 = 244.80 : x
  2. Step 2: Convert to fraction form
    379.52/523.56 = 244.80/x
  3. Step 3: Cross multiply
    379.52x = 523.56 × 244.80
  4. Step 4: Simplify right side
    379.52x = 128,167.49
  5. Step 5: Solve for x
    x = 128,167.49/379.52
  6. Step 6: Final answer
    x = 337.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.