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Finding the Fourth Proportional to 175.14, 241.68 and 119.76

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Solution

The fourth proportional to 175.14, 241.68 and 119.76 is: 165.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.14 : 241.68 = 119.76 : x
  2. Step 2: Convert to fraction form
    175.14/241.68 = 119.76/x
  3. Step 3: Cross multiply
    175.14x = 241.68 × 119.76
  4. Step 4: Simplify right side
    175.14x = 28,943.60
  5. Step 5: Solve for x
    x = 28,943.60/175.14
  6. Step 6: Final answer
    x = 165.26

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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.