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Finding the Fourth Proportional to 546.04, 817.70 and 499.95

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Solution

The fourth proportional to 546.04, 817.70 and 499.95 is: 748.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    546.04 : 817.70 = 499.95 : x
  2. Step 2: Convert to fraction form
    546.04/817.70 = 499.95/x
  3. Step 3: Cross multiply
    546.04x = 817.70 × 499.95
  4. Step 4: Simplify right side
    546.04x = 408,809.12
  5. Step 5: Solve for x
    x = 408,809.12/546.04
  6. Step 6: Final answer
    x = 748.68

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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.