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Finding the Fourth Proportional to 550.80, 826.26 and 226.12

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Solution

The fourth proportional to 550.80, 826.26 and 226.12 is: 339.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    550.80 : 826.26 = 226.12 : x
  2. Step 2: Convert to fraction form
    550.80/826.26 = 226.12/x
  3. Step 3: Cross multiply
    550.80x = 826.26 × 226.12
  4. Step 4: Simplify right side
    550.80x = 186,833.91
  5. Step 5: Solve for x
    x = 186,833.91/550.80
  6. Step 6: Final answer
    x = 339.20

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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.