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Finding the Fourth Proportional to 844.85, 1,166.72 and 550.29

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Solution

The fourth proportional to 844.85, 1,166.72 and 550.29 is: 759.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    844.85 : 1,166.72 = 550.29 : x
  2. Step 2: Convert to fraction form
    844.85/1,166.72 = 550.29/x
  3. Step 3: Cross multiply
    844.85x = 1,166.72 × 550.29
  4. Step 4: Simplify right side
    844.85x = 642,028.52
  5. Step 5: Solve for x
    x = 642,028.52/844.85
  6. Step 6: Final answer
    x = 759.94

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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.