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Finding the Fourth Proportional to 241.86, 333.92 and 163.26

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Solution

The fourth proportional to 241.86, 333.92 and 163.26 is: 225.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.86 : 333.92 = 163.26 : x
  2. Step 2: Convert to fraction form
    241.86/333.92 = 163.26/x
  3. Step 3: Cross multiply
    241.86x = 333.92 × 163.26
  4. Step 4: Simplify right side
    241.86x = 54,515.78
  5. Step 5: Solve for x
    x = 54,515.78/241.86
  6. Step 6: Final answer
    x = 225.40

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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.