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Finding the Fourth Proportional to 550.77, 826.16 and 166.02

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Solution

The fourth proportional to 550.77, 826.16 and 166.02 is: 249.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    550.77 : 826.16 = 166.02 : x
  2. Step 2: Convert to fraction form
    550.77/826.16 = 166.02/x
  3. Step 3: Cross multiply
    550.77x = 826.16 × 166.02
  4. Step 4: Simplify right side
    550.77x = 137,158.25
  5. Step 5: Solve for x
    x = 137,158.25/550.77
  6. Step 6: Final answer
    x = 249.03

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Double scale
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Similar ratio
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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.