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Finding the Fourth Proportional to 235.92, 327.14 and 223.62

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Solution

The fourth proportional to 235.92, 327.14 and 223.62 is: 310.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.92 : 327.14 = 223.62 : x
  2. Step 2: Convert to fraction form
    235.92/327.14 = 223.62/x
  3. Step 3: Cross multiply
    235.92x = 327.14 × 223.62
  4. Step 4: Simplify right side
    235.92x = 73,153.93
  5. Step 5: Solve for x
    x = 73,153.93/235.92
  6. Step 6: Final answer
    x = 310.08

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.