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Finding the Fourth Proportional to 245.97, 339.36 and 237.45

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Solution

The fourth proportional to 245.97, 339.36 and 237.45 is: 327.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    245.97 : 339.36 = 237.45 : x
  2. Step 2: Convert to fraction form
    245.97/339.36 = 237.45/x
  3. Step 3: Cross multiply
    245.97x = 339.36 × 237.45
  4. Step 4: Simplify right side
    245.97x = 80,581.03
  5. Step 5: Solve for x
    x = 80,581.03/245.97
  6. Step 6: Final answer
    x = 327.61

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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.