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Finding the Fourth Proportional to 181.28, 271.86 and 59.52

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Solution

The fourth proportional to 181.28, 271.86 and 59.52 is: 89.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    181.28 : 271.86 = 59.52 : x
  2. Step 2: Convert to fraction form
    181.28/271.86 = 59.52/x
  3. Step 3: Cross multiply
    181.28x = 271.86 × 59.52
  4. Step 4: Simplify right side
    181.28x = 16,181.11
  5. Step 5: Solve for x
    x = 16,181.11/181.28
  6. Step 6: Final answer
    x = 89.26

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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.