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Finding the Fourth Proportional to 246.05, 339.13 and 199.25

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Solution

The fourth proportional to 246.05, 339.13 and 199.25 is: 274.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.05 : 339.13 = 199.25 : x
  2. Step 2: Convert to fraction form
    246.05/339.13 = 199.25/x
  3. Step 3: Cross multiply
    246.05x = 339.13 × 199.25
  4. Step 4: Simplify right side
    246.05x = 67,571.65
  5. Step 5: Solve for x
    x = 67,571.65/246.05
  6. Step 6: Final answer
    x = 274.63

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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.