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Finding the Fourth Proportional to 241.86, 333.60 and 168.12

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Solution

The fourth proportional to 241.86, 333.60 and 168.12 is: 231.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.86 : 333.60 = 168.12 : x
  2. Step 2: Convert to fraction form
    241.86/333.60 = 168.12/x
  3. Step 3: Cross multiply
    241.86x = 333.60 × 168.12
  4. Step 4: Simplify right side
    241.86x = 56,084.83
  5. Step 5: Solve for x
    x = 56,084.83/241.86
  6. Step 6: Final answer
    x = 231.89

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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.