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Finding the Fourth Proportional to 181.47, 250.47 and 116.04

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Solution

The fourth proportional to 181.47, 250.47 and 116.04 is: 160.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    181.47 : 250.47 = 116.04 : x
  2. Step 2: Convert to fraction form
    181.47/250.47 = 116.04/x
  3. Step 3: Cross multiply
    181.47x = 250.47 × 116.04
  4. Step 4: Simplify right side
    181.47x = 29,064.54
  5. Step 5: Solve for x
    x = 29,064.54/181.47
  6. Step 6: Final answer
    x = 160.16

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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.