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Finding the Fourth Proportional to 174.83, 240.26 and 166.79

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Solution

The fourth proportional to 174.83, 240.26 and 166.79 is: 229.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.83 : 240.26 = 166.79 : x
  2. Step 2: Convert to fraction form
    174.83/240.26 = 166.79/x
  3. Step 3: Cross multiply
    174.83x = 240.26 × 166.79
  4. Step 4: Simplify right side
    174.83x = 40,072.73
  5. Step 5: Solve for x
    x = 40,072.73/174.83
  6. Step 6: Final answer
    x = 229.22

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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.