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Finding the Fourth Proportional to 549.15, 823.83 and 224.73

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Solution

The fourth proportional to 549.15, 823.83 and 224.73 is: 337.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    549.15 : 823.83 = 224.73 : x
  2. Step 2: Convert to fraction form
    549.15/823.83 = 224.73/x
  3. Step 3: Cross multiply
    549.15x = 823.83 × 224.73
  4. Step 4: Simplify right side
    549.15x = 185,139.32
  5. Step 5: Solve for x
    x = 185,139.32/549.15
  6. Step 6: Final answer
    x = 337.14

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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.