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Finding the Fourth Proportional to 844.49, 1,164.85 and 560.93

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Solution

The fourth proportional to 844.49, 1,164.85 and 560.93 is: 773.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    844.49 : 1,164.85 = 560.93 : x
  2. Step 2: Convert to fraction form
    844.49/1,164.85 = 560.93/x
  3. Step 3: Cross multiply
    844.49x = 1,164.85 × 560.93
  4. Step 4: Simplify right side
    844.49x = 653,392.08
  5. Step 5: Solve for x
    x = 653,392.08/844.49
  6. Step 6: Final answer
    x = 773.71

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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.