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Finding the Fourth Proportional to 260.73, 359.79 and 144.27

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Solution

The fourth proportional to 260.73, 359.79 and 144.27 is: 199.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    260.73 : 359.79 = 144.27 : x
  2. Step 2: Convert to fraction form
    260.73/359.79 = 144.27/x
  3. Step 3: Cross multiply
    260.73x = 359.79 × 144.27
  4. Step 4: Simplify right side
    260.73x = 51,906.90
  5. Step 5: Solve for x
    x = 51,906.90/260.73
  6. Step 6: Final answer
    x = 199.08

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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.