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Finding the Fourth Proportional to 550.08, 824.82 and 275.76

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Solution

The fourth proportional to 550.08, 824.82 and 275.76 is: 413.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    550.08 : 824.82 = 275.76 : x
  2. Step 2: Convert to fraction form
    550.08/824.82 = 275.76/x
  3. Step 3: Cross multiply
    550.08x = 824.82 × 275.76
  4. Step 4: Simplify right side
    550.08x = 227,452.36
  5. Step 5: Solve for x
    x = 227,452.36/550.08
  6. Step 6: Final answer
    x = 413.49

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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.