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Finding the Fourth Proportional to 568.41, 851.25 and 385.26

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Solution

The fourth proportional to 568.41, 851.25 and 385.26 is: 576.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    568.41 : 851.25 = 385.26 : x
  2. Step 2: Convert to fraction form
    568.41/851.25 = 385.26/x
  3. Step 3: Cross multiply
    568.41x = 851.25 × 385.26
  4. Step 4: Simplify right side
    568.41x = 327,952.58
  5. Step 5: Solve for x
    x = 327,952.58/568.41
  6. Step 6: Final answer
    x = 576.96

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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.