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Finding the Fourth Proportional to 131.46, 182.23 and 126.33

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Solution

The fourth proportional to 131.46, 182.23 and 126.33 is: 175.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    131.46 : 182.23 = 126.33 : x
  2. Step 2: Convert to fraction form
    131.46/182.23 = 126.33/x
  3. Step 3: Cross multiply
    131.46x = 182.23 × 126.33
  4. Step 4: Simplify right side
    131.46x = 23,021.12
  5. Step 5: Solve for x
    x = 23,021.12/131.46
  6. Step 6: Final answer
    x = 175.12

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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.