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Finding the Fourth Proportional to 241.18, 332.71 and 142.86

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Solution

The fourth proportional to 241.18, 332.71 and 142.86 is: 197.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.18 : 332.71 = 142.86 : x
  2. Step 2: Convert to fraction form
    241.18/332.71 = 142.86/x
  3. Step 3: Cross multiply
    241.18x = 332.71 × 142.86
  4. Step 4: Simplify right side
    241.18x = 47,531.84
  5. Step 5: Solve for x
    x = 47,531.84/241.18
  6. Step 6: Final answer
    x = 197.08

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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.