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Finding the Fourth Proportional to 668.97, 922.80 and 594.12

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Solution

The fourth proportional to 668.97, 922.80 and 594.12 is: 819.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    668.97 : 922.80 = 594.12 : x
  2. Step 2: Convert to fraction form
    668.97/922.80 = 594.12/x
  3. Step 3: Cross multiply
    668.97x = 922.80 × 594.12
  4. Step 4: Simplify right side
    668.97x = 548,253.94
  5. Step 5: Solve for x
    x = 548,253.94/668.97
  6. Step 6: Final answer
    x = 819.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.