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Finding the Fourth Proportional to 174.86, 241.23 and 104.90

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Solution

The fourth proportional to 174.86, 241.23 and 104.90 is: 144.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.86 : 241.23 = 104.90 : x
  2. Step 2: Convert to fraction form
    174.86/241.23 = 104.90/x
  3. Step 3: Cross multiply
    174.86x = 241.23 × 104.90
  4. Step 4: Simplify right side
    174.86x = 25,303.62
  5. Step 5: Solve for x
    x = 25,303.62/174.86
  6. Step 6: Final answer
    x = 144.71

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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.