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Finding the Fourth Proportional to 241.89, 334.17 and 189.66

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Solution

The fourth proportional to 241.89, 334.17 and 189.66 is: 262.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.89 : 334.17 = 189.66 : x
  2. Step 2: Convert to fraction form
    241.89/334.17 = 189.66/x
  3. Step 3: Cross multiply
    241.89x = 334.17 × 189.66
  4. Step 4: Simplify right side
    241.89x = 63,378.68
  5. Step 5: Solve for x
    x = 63,378.68/241.89
  6. Step 6: Final answer
    x = 262.01

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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.