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Finding the Fourth Proportional to 175.20, 241.62 and 117.04

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Solution

The fourth proportional to 175.20, 241.62 and 117.04 is: 161.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.20 : 241.62 = 117.04 : x
  2. Step 2: Convert to fraction form
    175.20/241.62 = 117.04/x
  3. Step 3: Cross multiply
    175.20x = 241.62 × 117.04
  4. Step 4: Simplify right side
    175.20x = 28,279.20
  5. Step 5: Solve for x
    x = 28,279.20/175.20
  6. Step 6: Final answer
    x = 161.41

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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.