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Finding the Fourth Proportional to 568.26, 851.73 and 382.77

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Solution

The fourth proportional to 568.26, 851.73 and 382.77 is: 573.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    568.26 : 851.73 = 382.77 : x
  2. Step 2: Convert to fraction form
    568.26/851.73 = 382.77/x
  3. Step 3: Cross multiply
    568.26x = 851.73 × 382.77
  4. Step 4: Simplify right side
    568.26x = 326,016.69
  5. Step 5: Solve for x
    x = 326,016.69/568.26
  6. Step 6: Final answer
    x = 573.71

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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.