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Finding the Fourth Proportional to 924.82, 1,387.23 and 534.46

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Solution

The fourth proportional to 924.82, 1,387.23 and 534.46 is: 801.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    924.82 : 1,387.23 = 534.46 : x
  2. Step 2: Convert to fraction form
    924.82/1,387.23 = 534.46/x
  3. Step 3: Cross multiply
    924.82x = 1,387.23 × 534.46
  4. Step 4: Simplify right side
    924.82x = 741,418.95
  5. Step 5: Solve for x
    x = 741,418.95/924.82
  6. Step 6: Final answer
    x = 801.69

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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.