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Finding the Fourth Proportional to 610.32, 842.03 and 344.73

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Solution

The fourth proportional to 610.32, 842.03 and 344.73 is: 475.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    610.32 : 842.03 = 344.73 : x
  2. Step 2: Convert to fraction form
    610.32/842.03 = 344.73/x
  3. Step 3: Cross multiply
    610.32x = 842.03 × 344.73
  4. Step 4: Simplify right side
    610.32x = 290,273.86
  5. Step 5: Solve for x
    x = 290,273.86/610.32
  6. Step 6: Final answer
    x = 475.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.