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Finding the Fourth Proportional to 231.08, 344.41 and 182.12

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Solution

The fourth proportional to 231.08, 344.41 and 182.12 is: 271.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    231.08 : 344.41 = 182.12 : x
  2. Step 2: Convert to fraction form
    231.08/344.41 = 182.12/x
  3. Step 3: Cross multiply
    231.08x = 344.41 × 182.12
  4. Step 4: Simplify right side
    231.08x = 62,723.95
  5. Step 5: Solve for x
    x = 62,723.95/231.08
  6. Step 6: Final answer
    x = 271.44

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.