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Finding the Fourth Proportional to 322.47, 443.88 and 233.82

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Solution

The fourth proportional to 322.47, 443.88 and 233.82 is: 321.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    322.47 : 443.88 = 233.82 : x
  2. Step 2: Convert to fraction form
    322.47/443.88 = 233.82/x
  3. Step 3: Cross multiply
    322.47x = 443.88 × 233.82
  4. Step 4: Simplify right side
    322.47x = 103,788.02
  5. Step 5: Solve for x
    x = 103,788.02/322.47
  6. Step 6: Final answer
    x = 321.85

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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.