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Finding the Fourth Proportional to 259.62, 388.73 and 244.25

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Solution

The fourth proportional to 259.62, 388.73 and 244.25 is: 365.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    259.62 : 388.73 = 244.25 : x
  2. Step 2: Convert to fraction form
    259.62/388.73 = 244.25/x
  3. Step 3: Cross multiply
    259.62x = 388.73 × 244.25
  4. Step 4: Simplify right side
    259.62x = 94,947.30
  5. Step 5: Solve for x
    x = 94,947.30/259.62
  6. Step 6: Final answer
    x = 365.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.