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Finding the Fourth Proportional to 550.01, 825.12 and 225.61

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Solution

The fourth proportional to 550.01, 825.12 and 225.61 is: 338.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    550.01 : 825.12 = 225.61 : x
  2. Step 2: Convert to fraction form
    550.01/825.12 = 225.61/x
  3. Step 3: Cross multiply
    550.01x = 825.12 × 225.61
  4. Step 4: Simplify right side
    550.01x = 186,151.20
  5. Step 5: Solve for x
    x = 186,151.20/550.01
  6. Step 6: Final answer
    x = 338.45

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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.