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Finding the Fourth Proportional to 348.92, 523.63 and 166.44

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Solution

The fourth proportional to 348.92, 523.63 and 166.44 is: 249.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    348.92 : 523.63 = 166.44 : x
  2. Step 2: Convert to fraction form
    348.92/523.63 = 166.44/x
  3. Step 3: Cross multiply
    348.92x = 523.63 × 166.44
  4. Step 4: Simplify right side
    348.92x = 87,152.20
  5. Step 5: Solve for x
    x = 87,152.20/348.92
  6. Step 6: Final answer
    x = 249.78

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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.