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Finding the Fourth Proportional to 241.15, 332.69 and 158.11

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Solution

The fourth proportional to 241.15, 332.69 and 158.11 is: 218.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.15 : 332.69 = 158.11 : x
  2. Step 2: Convert to fraction form
    241.15/332.69 = 158.11/x
  3. Step 3: Cross multiply
    241.15x = 332.69 × 158.11
  4. Step 4: Simplify right side
    241.15x = 52,601.62
  5. Step 5: Solve for x
    x = 52,601.62/241.15
  6. Step 6: Final answer
    x = 218.13

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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.