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Finding the Fourth Proportional to 240.72, 332.26 and 175.22

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Solution

The fourth proportional to 240.72, 332.26 and 175.22 is: 241.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    240.72 : 332.26 = 175.22 : x
  2. Step 2: Convert to fraction form
    240.72/332.26 = 175.22/x
  3. Step 3: Cross multiply
    240.72x = 332.26 × 175.22
  4. Step 4: Simplify right side
    240.72x = 58,218.60
  5. Step 5: Solve for x
    x = 58,218.60/240.72
  6. Step 6: Final answer
    x = 241.85

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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.