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Finding the Fourth Proportional to 241.38, 333.11 and 141.81

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Solution

The fourth proportional to 241.38, 333.11 and 141.81 is: 195.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.38 : 333.11 = 141.81 : x
  2. Step 2: Convert to fraction form
    241.38/333.11 = 141.81/x
  3. Step 3: Cross multiply
    241.38x = 333.11 × 141.81
  4. Step 4: Simplify right side
    241.38x = 47,239.33
  5. Step 5: Solve for x
    x = 47,239.33/241.38
  6. Step 6: Final answer
    x = 195.71

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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.