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Finding the Fourth Proportional to 181.57, 271.58 and 168.44

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Solution

The fourth proportional to 181.57, 271.58 and 168.44 is: 251.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    181.57 : 271.58 = 168.44 : x
  2. Step 2: Convert to fraction form
    181.57/271.58 = 168.44/x
  3. Step 3: Cross multiply
    181.57x = 271.58 × 168.44
  4. Step 4: Simplify right side
    181.57x = 45,742.74
  5. Step 5: Solve for x
    x = 45,742.74/181.57
  6. Step 6: Final answer
    x = 251.93

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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.