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Finding the Fourth Proportional to 182.65, 252.03 and 103.96

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Solution

The fourth proportional to 182.65, 252.03 and 103.96 is: 143.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.65 : 252.03 = 103.96 : x
  2. Step 2: Convert to fraction form
    182.65/252.03 = 103.96/x
  3. Step 3: Cross multiply
    182.65x = 252.03 × 103.96
  4. Step 4: Simplify right side
    182.65x = 26,201.04
  5. Step 5: Solve for x
    x = 26,201.04/182.65
  6. Step 6: Final answer
    x = 143.45

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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.