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Finding the Fourth Proportional to 234.66, 324.61 and 182.72

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Solution

The fourth proportional to 234.66, 324.61 and 182.72 is: 252.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    234.66 : 324.61 = 182.72 : x
  2. Step 2: Convert to fraction form
    234.66/324.61 = 182.72/x
  3. Step 3: Cross multiply
    234.66x = 324.61 × 182.72
  4. Step 4: Simplify right side
    234.66x = 59,313.09
  5. Step 5: Solve for x
    x = 59,313.09/234.66
  6. Step 6: Final answer
    x = 252.76

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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.