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Finding the Fourth Proportional to 182.82, 252.23 and 143.49

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Solution

The fourth proportional to 182.82, 252.23 and 143.49 is: 197.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.82 : 252.23 = 143.49 : x
  2. Step 2: Convert to fraction form
    182.82/252.23 = 143.49/x
  3. Step 3: Cross multiply
    182.82x = 252.23 × 143.49
  4. Step 4: Simplify right side
    182.82x = 36,191.77
  5. Step 5: Solve for x
    x = 36,191.77/182.82
  6. Step 6: Final answer
    x = 197.96

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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.