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Finding the Fourth Proportional to 498.97, 747.46 and 303.73

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Solution

The fourth proportional to 498.97, 747.46 and 303.73 is: 454.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    498.97 : 747.46 = 303.73 : x
  2. Step 2: Convert to fraction form
    498.97/747.46 = 303.73/x
  3. Step 3: Cross multiply
    498.97x = 747.46 × 303.73
  4. Step 4: Simplify right side
    498.97x = 227,026.03
  5. Step 5: Solve for x
    x = 227,026.03/498.97
  6. Step 6: Final answer
    x = 454.99

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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.