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Finding the Fourth Proportional to 498.39, 747.69 and 224.52

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Solution

The fourth proportional to 498.39, 747.69 and 224.52 is: 336.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    498.39 : 747.69 = 224.52 : x
  2. Step 2: Convert to fraction form
    498.39/747.69 = 224.52/x
  3. Step 3: Cross multiply
    498.39x = 747.69 × 224.52
  4. Step 4: Simplify right side
    498.39x = 167,871.36
  5. Step 5: Solve for x
    x = 167,871.36/498.39
  6. Step 6: Final answer
    x = 336.83

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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.