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Finding the Fourth Proportional to 235.54, 324.97 and 132.02

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Solution

The fourth proportional to 235.54, 324.97 and 132.02 is: 182.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.54 : 324.97 = 132.02 : x
  2. Step 2: Convert to fraction form
    235.54/324.97 = 132.02/x
  3. Step 3: Cross multiply
    235.54x = 324.97 × 132.02
  4. Step 4: Simplify right side
    235.54x = 42,902.54
  5. Step 5: Solve for x
    x = 42,902.54/235.54
  6. Step 6: Final answer
    x = 182.15

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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.