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Finding the Fourth Proportional to 181.08, 270.81 and 134.91

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Solution

The fourth proportional to 181.08, 270.81 and 134.91 is: 201.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    181.08 : 270.81 = 134.91 : x
  2. Step 2: Convert to fraction form
    181.08/270.81 = 134.91/x
  3. Step 3: Cross multiply
    181.08x = 270.81 × 134.91
  4. Step 4: Simplify right side
    181.08x = 36,534.98
  5. Step 5: Solve for x
    x = 36,534.98/181.08
  6. Step 6: Final answer
    x = 201.76

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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.