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Finding the Fourth Proportional to 248.94, 343.62 and 200.16

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Solution

The fourth proportional to 248.94, 343.62 and 200.16 is: 276.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    248.94 : 343.62 = 200.16 : x
  2. Step 2: Convert to fraction form
    248.94/343.62 = 200.16/x
  3. Step 3: Cross multiply
    248.94x = 343.62 × 200.16
  4. Step 4: Simplify right side
    248.94x = 68,778.98
  5. Step 5: Solve for x
    x = 68,778.98/248.94
  6. Step 6: Final answer
    x = 276.29

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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.