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Finding the Fourth Proportional to 181.41, 272.29 and 141.27

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Solution

The fourth proportional to 181.41, 272.29 and 141.27 is: 212.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    181.41 : 272.29 = 141.27 : x
  2. Step 2: Convert to fraction form
    181.41/272.29 = 141.27/x
  3. Step 3: Cross multiply
    181.41x = 272.29 × 141.27
  4. Step 4: Simplify right side
    181.41x = 38,466.41
  5. Step 5: Solve for x
    x = 38,466.41/181.41
  6. Step 6: Final answer
    x = 212.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.