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Finding the Fourth Proportional to 568.39, 854.21 and 529.87

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Solution

The fourth proportional to 568.39, 854.21 and 529.87 is: 796.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    568.39 : 854.21 = 529.87 : x
  2. Step 2: Convert to fraction form
    568.39/854.21 = 529.87/x
  3. Step 3: Cross multiply
    568.39x = 854.21 × 529.87
  4. Step 4: Simplify right side
    568.39x = 452,620.25
  5. Step 5: Solve for x
    x = 452,620.25/568.39
  6. Step 6: Final answer
    x = 796.32

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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.