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Finding the Fourth Proportional to 574.92, 859.01 and 426.04

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Solution

The fourth proportional to 574.92, 859.01 and 426.04 is: 636.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    574.92 : 859.01 = 426.04 : x
  2. Step 2: Convert to fraction form
    574.92/859.01 = 426.04/x
  3. Step 3: Cross multiply
    574.92x = 859.01 × 426.04
  4. Step 4: Simplify right side
    574.92x = 365,972.62
  5. Step 5: Solve for x
    x = 365,972.62/574.92
  6. Step 6: Final answer
    x = 636.56

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.