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Finding the Fourth Proportional to 574.73, 794.16 and 425.15

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Solution

The fourth proportional to 574.73, 794.16 and 425.15 is: 587.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    574.73 : 794.16 = 425.15 : x
  2. Step 2: Convert to fraction form
    574.73/794.16 = 425.15/x
  3. Step 3: Cross multiply
    574.73x = 794.16 × 425.15
  4. Step 4: Simplify right side
    574.73x = 337,636.13
  5. Step 5: Solve for x
    x = 337,636.13/574.73
  6. Step 6: Final answer
    x = 587.46

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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.