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Finding the Fourth Proportional to 550.91, 826.23 and 185.87

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Solution

The fourth proportional to 550.91, 826.23 and 185.87 is: 278.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    550.91 : 826.23 = 185.87 : x
  2. Step 2: Convert to fraction form
    550.91/826.23 = 185.87/x
  3. Step 3: Cross multiply
    550.91x = 826.23 × 185.87
  4. Step 4: Simplify right side
    550.91x = 153,571.37
  5. Step 5: Solve for x
    x = 153,571.37/550.91
  6. Step 6: Final answer
    x = 278.76

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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.