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Finding the Fourth Proportional to 568.03, 847.17 and 520.87

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Solution

The fourth proportional to 568.03, 847.17 and 520.87 is: 776.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    568.03 : 847.17 = 520.87 : x
  2. Step 2: Convert to fraction form
    568.03/847.17 = 520.87/x
  3. Step 3: Cross multiply
    568.03x = 847.17 × 520.87
  4. Step 4: Simplify right side
    568.03x = 441,265.44
  5. Step 5: Solve for x
    x = 441,265.44/568.03
  6. Step 6: Final answer
    x = 776.83

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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.