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Finding the Fourth Proportional to 322.06, 444.52 and 197.82

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Solution

The fourth proportional to 322.06, 444.52 and 197.82 is: 273.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    322.06 : 444.52 = 197.82 : x
  2. Step 2: Convert to fraction form
    322.06/444.52 = 197.82/x
  3. Step 3: Cross multiply
    322.06x = 444.52 × 197.82
  4. Step 4: Simplify right side
    322.06x = 87,934.95
  5. Step 5: Solve for x
    x = 87,934.95/322.06
  6. Step 6: Final answer
    x = 273.04

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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.