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Finding the Fourth Proportional to 181.93, 273.22 and 141.23

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Solution

The fourth proportional to 181.93, 273.22 and 141.23 is: 212.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    181.93 : 273.22 = 141.23 : x
  2. Step 2: Convert to fraction form
    181.93/273.22 = 141.23/x
  3. Step 3: Cross multiply
    181.93x = 273.22 × 141.23
  4. Step 4: Simplify right side
    181.93x = 38,586.86
  5. Step 5: Solve for x
    x = 38,586.86/181.93
  6. Step 6: Final answer
    x = 212.10

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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.