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Finding the Fourth Proportional to 181.28, 250.17 and 141.99

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Solution

The fourth proportional to 181.28, 250.17 and 141.99 is: 195.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    181.28 : 250.17 = 141.99 : x
  2. Step 2: Convert to fraction form
    181.28/250.17 = 141.99/x
  3. Step 3: Cross multiply
    181.28x = 250.17 × 141.99
  4. Step 4: Simplify right side
    181.28x = 35,520.39
  5. Step 5: Solve for x
    x = 35,520.39/181.28
  6. Step 6: Final answer
    x = 195.94

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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.