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Finding the Fourth Proportional to 337.10, 502.60 and 328.56

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Solution

The fourth proportional to 337.10, 502.60 and 328.56 is: 489.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.10 : 502.60 = 328.56 : x
  2. Step 2: Convert to fraction form
    337.10/502.60 = 328.56/x
  3. Step 3: Cross multiply
    337.10x = 502.60 × 328.56
  4. Step 4: Simplify right side
    337.10x = 165,134.26
  5. Step 5: Solve for x
    x = 165,134.26/337.10
  6. Step 6: Final answer
    x = 489.87

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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.