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Finding the Fourth Proportional to 547.87, 819.67 and 501.90

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Solution

The fourth proportional to 547.87, 819.67 and 501.90 is: 750.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    547.87 : 819.67 = 501.90 : x
  2. Step 2: Convert to fraction form
    547.87/819.67 = 501.90/x
  3. Step 3: Cross multiply
    547.87x = 819.67 × 501.90
  4. Step 4: Simplify right side
    547.87x = 411,392.37
  5. Step 5: Solve for x
    x = 411,392.37/547.87
  6. Step 6: Final answer
    x = 750.89

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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.