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Finding the Fourth Proportional to 241.08, 332.76 and 142.86

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Solution

The fourth proportional to 241.08, 332.76 and 142.86 is: 197.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.08 : 332.76 = 142.86 : x
  2. Step 2: Convert to fraction form
    241.08/332.76 = 142.86/x
  3. Step 3: Cross multiply
    241.08x = 332.76 × 142.86
  4. Step 4: Simplify right side
    241.08x = 47,538.09
  5. Step 5: Solve for x
    x = 47,538.09/241.08
  6. Step 6: Final answer
    x = 197.19

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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.