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Finding the Fourth Proportional to 175.26, 241.69 and 131.20

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Solution

The fourth proportional to 175.26, 241.69 and 131.20 is: 180.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.26 : 241.69 = 131.20 : x
  2. Step 2: Convert to fraction form
    175.26/241.69 = 131.20/x
  3. Step 3: Cross multiply
    175.26x = 241.69 × 131.20
  4. Step 4: Simplify right side
    175.26x = 31,709.73
  5. Step 5: Solve for x
    x = 31,709.73/175.26
  6. Step 6: Final answer
    x = 180.93

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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.