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Finding the Fourth Proportional to 844.52, 1,165.86 and 569.96

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Solution

The fourth proportional to 844.52, 1,165.86 and 569.96 is: 786.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    844.52 : 1,165.86 = 569.96 : x
  2. Step 2: Convert to fraction form
    844.52/1,165.86 = 569.96/x
  3. Step 3: Cross multiply
    844.52x = 1,165.86 × 569.96
  4. Step 4: Simplify right side
    844.52x = 664,493.57
  5. Step 5: Solve for x
    x = 664,493.57/844.52
  6. Step 6: Final answer
    x = 786.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.