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Finding the Fourth Proportional to 241.79, 333.61 and 163.11

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Solution

The fourth proportional to 241.79, 333.61 and 163.11 is: 225.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.79 : 333.61 = 163.11 : x
  2. Step 2: Convert to fraction form
    241.79/333.61 = 163.11/x
  3. Step 3: Cross multiply
    241.79x = 333.61 × 163.11
  4. Step 4: Simplify right side
    241.79x = 54,414.72
  5. Step 5: Solve for x
    x = 54,414.72/241.79
  6. Step 6: Final answer
    x = 225.05

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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.