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Finding the Fourth Proportional to 550.92, 824.74 and 344.82

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Solution

The fourth proportional to 550.92, 824.74 and 344.82 is: 516.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    550.92 : 824.74 = 344.82 : x
  2. Step 2: Convert to fraction form
    550.92/824.74 = 344.82/x
  3. Step 3: Cross multiply
    550.92x = 824.74 × 344.82
  4. Step 4: Simplify right side
    550.92x = 284,386.85
  5. Step 5: Solve for x
    x = 284,386.85/550.92
  6. Step 6: Final answer
    x = 516.20

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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.