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Finding the Fourth Proportional to 550.92, 826.38 and 166.08

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Solution

The fourth proportional to 550.92, 826.38 and 166.08 is: 249.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    550.92 : 826.38 = 166.08 : x
  2. Step 2: Convert to fraction form
    550.92/826.38 = 166.08/x
  3. Step 3: Cross multiply
    550.92x = 826.38 × 166.08
  4. Step 4: Simplify right side
    550.92x = 137,245.19
  5. Step 5: Solve for x
    x = 137,245.19/550.92
  6. Step 6: Final answer
    x = 249.12

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Double scale
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Similar ratio
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1.5x scale

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.