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Finding the Fourth Proportional to 176.28, 241.86 and 171.69

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Solution

The fourth proportional to 176.28, 241.86 and 171.69 is: 235.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.28 : 241.86 = 171.69 : x
  2. Step 2: Convert to fraction form
    176.28/241.86 = 171.69/x
  3. Step 3: Cross multiply
    176.28x = 241.86 × 171.69
  4. Step 4: Simplify right side
    176.28x = 41,524.94
  5. Step 5: Solve for x
    x = 41,524.94/176.28
  6. Step 6: Final answer
    x = 235.56

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.