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Finding the Fourth Proportional to 234.36, 323.04 and 187.56

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Solution

The fourth proportional to 234.36, 323.04 and 187.56 is: 258.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    234.36 : 323.04 = 187.56 : x
  2. Step 2: Convert to fraction form
    234.36/323.04 = 187.56/x
  3. Step 3: Cross multiply
    234.36x = 323.04 × 187.56
  4. Step 4: Simplify right side
    234.36x = 60,589.38
  5. Step 5: Solve for x
    x = 60,589.38/234.36
  6. Step 6: Final answer
    x = 258.53

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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.