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Finding the Fourth Proportional to 167.77, 250.19 and 141.85

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Solution

The fourth proportional to 167.77, 250.19 and 141.85 is: 211.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.77 : 250.19 = 141.85 : x
  2. Step 2: Convert to fraction form
    167.77/250.19 = 141.85/x
  3. Step 3: Cross multiply
    167.77x = 250.19 × 141.85
  4. Step 4: Simplify right side
    167.77x = 35,489.59
  5. Step 5: Solve for x
    x = 35,489.59/167.77
  6. Step 6: Final answer
    x = 211.54

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.