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Finding the Fourth Proportional to 163.47, 224.67 and 132.33

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Solution

The fourth proportional to 163.47, 224.67 and 132.33 is: 181.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    163.47 : 224.67 = 132.33 : x
  2. Step 2: Convert to fraction form
    163.47/224.67 = 132.33/x
  3. Step 3: Cross multiply
    163.47x = 224.67 × 132.33
  4. Step 4: Simplify right side
    163.47x = 29,730.58
  5. Step 5: Solve for x
    x = 29,730.58/163.47
  6. Step 6: Final answer
    x = 181.87

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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.