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Finding the Fourth Proportional to 174.91, 241.43 and 105.02

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Solution

The fourth proportional to 174.91, 241.43 and 105.02 is: 144.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.91 : 241.43 = 105.02 : x
  2. Step 2: Convert to fraction form
    174.91/241.43 = 105.02/x
  3. Step 3: Cross multiply
    174.91x = 241.43 × 105.02
  4. Step 4: Simplify right side
    174.91x = 25,356.54
  5. Step 5: Solve for x
    x = 25,356.54/174.91
  6. Step 6: Final answer
    x = 144.97

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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.