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Finding the Fourth Proportional to 499.32, 747.82 and 293.48

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Solution

The fourth proportional to 499.32, 747.82 and 293.48 is: 439.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    499.32 : 747.82 = 293.48 : x
  2. Step 2: Convert to fraction form
    499.32/747.82 = 293.48/x
  3. Step 3: Cross multiply
    499.32x = 747.82 × 293.48
  4. Step 4: Simplify right side
    499.32x = 219,470.21
  5. Step 5: Solve for x
    x = 219,470.21/499.32
  6. Step 6: Final answer
    x = 439.54

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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.