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Finding the Fourth Proportional to 181.56, 250.63 and 116.10

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Solution

The fourth proportional to 181.56, 250.63 and 116.10 is: 160.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    181.56 : 250.63 = 116.10 : x
  2. Step 2: Convert to fraction form
    181.56/250.63 = 116.10/x
  3. Step 3: Cross multiply
    181.56x = 250.63 × 116.10
  4. Step 4: Simplify right side
    181.56x = 29,098.14
  5. Step 5: Solve for x
    x = 29,098.14/181.56
  6. Step 6: Final answer
    x = 160.27

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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.