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Finding the Fourth Proportional to 325.46, 448.60 and 200.84

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Solution

The fourth proportional to 325.46, 448.60 and 200.84 is: 276.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    325.46 : 448.60 = 200.84 : x
  2. Step 2: Convert to fraction form
    325.46/448.60 = 200.84/x
  3. Step 3: Cross multiply
    325.46x = 448.60 × 200.84
  4. Step 4: Simplify right side
    325.46x = 90,096.82
  5. Step 5: Solve for x
    x = 90,096.82/325.46
  6. Step 6: Final answer
    x = 276.83

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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.