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Finding the Fourth Proportional to 844.56, 1,165.14 and 550.26

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Solution

The fourth proportional to 844.56, 1,165.14 and 550.26 is: 759.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    844.56 : 1,165.14 = 550.26 : x
  2. Step 2: Convert to fraction form
    844.56/1,165.14 = 550.26/x
  3. Step 3: Cross multiply
    844.56x = 1,165.14 × 550.26
  4. Step 4: Simplify right side
    844.56x = 641,129.94
  5. Step 5: Solve for x
    x = 641,129.94/844.56
  6. Step 6: Final answer
    x = 759.13

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Double scale
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1.5x scale

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.