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Finding the Fourth Proportional to 260.73, 388.38 and 246.75

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Solution

The fourth proportional to 260.73, 388.38 and 246.75 is: 367.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    260.73 : 388.38 = 246.75 : x
  2. Step 2: Convert to fraction form
    260.73/388.38 = 246.75/x
  3. Step 3: Cross multiply
    260.73x = 388.38 × 246.75
  4. Step 4: Simplify right side
    260.73x = 95,832.77
  5. Step 5: Solve for x
    x = 95,832.77/260.73
  6. Step 6: Final answer
    x = 367.56

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.