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Finding the Fourth Proportional to 232.14, 318.65 and 205.32

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Solution

The fourth proportional to 232.14, 318.65 and 205.32 is: 281.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.14 : 318.65 = 205.32 : x
  2. Step 2: Convert to fraction form
    232.14/318.65 = 205.32/x
  3. Step 3: Cross multiply
    232.14x = 318.65 × 205.32
  4. Step 4: Simplify right side
    232.14x = 65,424.99
  5. Step 5: Solve for x
    x = 65,424.99/232.14
  6. Step 6: Final answer
    x = 281.84

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.