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Finding the Fourth Proportional to 241.67, 333.51 and 189.27

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Solution

The fourth proportional to 241.67, 333.51 and 189.27 is: 261.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.67 : 333.51 = 189.27 : x
  2. Step 2: Convert to fraction form
    241.67/333.51 = 189.27/x
  3. Step 3: Cross multiply
    241.67x = 333.51 × 189.27
  4. Step 4: Simplify right side
    241.67x = 63,122.73
  5. Step 5: Solve for x
    x = 63,122.73/241.67
  6. Step 6: Final answer
    x = 261.19

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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.