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Finding the Fourth Proportional to 181.14, 250.19 and 131.94

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Solution

The fourth proportional to 181.14, 250.19 and 131.94 is: 182.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    181.14 : 250.19 = 131.94 : x
  2. Step 2: Convert to fraction form
    181.14/250.19 = 131.94/x
  3. Step 3: Cross multiply
    181.14x = 250.19 × 131.94
  4. Step 4: Simplify right side
    181.14x = 33,010.07
  5. Step 5: Solve for x
    x = 33,010.07/181.14
  6. Step 6: Final answer
    x = 182.24

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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.