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Finding the Fourth Proportional to 245.92, 337.60 and 243.62

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Solution

The fourth proportional to 245.92, 337.60 and 243.62 is: 334.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    245.92 : 337.60 = 243.62 : x
  2. Step 2: Convert to fraction form
    245.92/337.60 = 243.62/x
  3. Step 3: Cross multiply
    245.92x = 337.60 × 243.62
  4. Step 4: Simplify right side
    245.92x = 82,243.21
  5. Step 5: Solve for x
    x = 82,243.21/245.92
  6. Step 6: Final answer
    x = 334.43

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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.