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Finding the Fourth Proportional to 337.37, 502.20 and 335.54

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Solution

The fourth proportional to 337.37, 502.20 and 335.54 is: 499.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.37 : 502.20 = 335.54 : x
  2. Step 2: Convert to fraction form
    337.37/502.20 = 335.54/x
  3. Step 3: Cross multiply
    337.37x = 502.20 × 335.54
  4. Step 4: Simplify right side
    337.37x = 168,505.68
  5. Step 5: Solve for x
    x = 168,505.68/337.37
  6. Step 6: Final answer
    x = 499.48

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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.