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Finding the Fourth Proportional to 544.18, 819.68 and 495.73

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Solution

The fourth proportional to 544.18, 819.68 and 495.73 is: 746.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    544.18 : 819.68 = 495.73 : x
  2. Step 2: Convert to fraction form
    544.18/819.68 = 495.73/x
  3. Step 3: Cross multiply
    544.18x = 819.68 × 495.73
  4. Step 4: Simplify right side
    544.18x = 406,339.97
  5. Step 5: Solve for x
    x = 406,339.97/544.18
  6. Step 6: Final answer
    x = 746.70

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.