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Finding the Fourth Proportional to 337.28, 506.08 and 326.24

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Solution

The fourth proportional to 337.28, 506.08 and 326.24 is: 489.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.28 : 506.08 = 326.24 : x
  2. Step 2: Convert to fraction form
    337.28/506.08 = 326.24/x
  3. Step 3: Cross multiply
    337.28x = 506.08 × 326.24
  4. Step 4: Simplify right side
    337.28x = 165,103.54
  5. Step 5: Solve for x
    x = 165,103.54/337.28
  6. Step 6: Final answer
    x = 489.51

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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.