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Finding the Fourth Proportional to 572.97, 859.45 and 248.57

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Solution

The fourth proportional to 572.97, 859.45 and 248.57 is: 372.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    572.97 : 859.45 = 248.57 : x
  2. Step 2: Convert to fraction form
    572.97/859.45 = 248.57/x
  3. Step 3: Cross multiply
    572.97x = 859.45 × 248.57
  4. Step 4: Simplify right side
    572.97x = 213,633.49
  5. Step 5: Solve for x
    x = 213,633.49/572.97
  6. Step 6: Final answer
    x = 372.85

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Double scale
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Similar ratio
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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.