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Finding the Fourth Proportional to 244.57, 335.05 and 235.32

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Solution

The fourth proportional to 244.57, 335.05 and 235.32 is: 322.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.57 : 335.05 = 235.32 : x
  2. Step 2: Convert to fraction form
    244.57/335.05 = 235.32/x
  3. Step 3: Cross multiply
    244.57x = 335.05 × 235.32
  4. Step 4: Simplify right side
    244.57x = 78,843.97
  5. Step 5: Solve for x
    x = 78,843.97/244.57
  6. Step 6: Final answer
    x = 322.38

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.