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Finding the Fourth Proportional to 322.71, 483.98 and 231.14

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Solution

The fourth proportional to 322.71, 483.98 and 231.14 is: 346.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    322.71 : 483.98 = 231.14 : x
  2. Step 2: Convert to fraction form
    322.71/483.98 = 231.14/x
  3. Step 3: Cross multiply
    322.71x = 483.98 × 231.14
  4. Step 4: Simplify right side
    322.71x = 111,863.56
  5. Step 5: Solve for x
    x = 111,863.56/322.71
  6. Step 6: Final answer
    x = 346.64

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.