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Finding the Fourth Proportional to 132.82, 183.33 and 126.63

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Solution

The fourth proportional to 132.82, 183.33 and 126.63 is: 174.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    132.82 : 183.33 = 126.63 : x
  2. Step 2: Convert to fraction form
    132.82/183.33 = 126.63/x
  3. Step 3: Cross multiply
    132.82x = 183.33 × 126.63
  4. Step 4: Simplify right side
    132.82x = 23,215.08
  5. Step 5: Solve for x
    x = 23,215.08/132.82
  6. Step 6: Final answer
    x = 174.79

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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.