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Finding the Fourth Proportional to 325.27, 448.81 and 200.94

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Solution

The fourth proportional to 325.27, 448.81 and 200.94 is: 277.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    325.27 : 448.81 = 200.94 : x
  2. Step 2: Convert to fraction form
    325.27/448.81 = 200.94/x
  3. Step 3: Cross multiply
    325.27x = 448.81 × 200.94
  4. Step 4: Simplify right side
    325.27x = 90,183.88
  5. Step 5: Solve for x
    x = 90,183.88/325.27
  6. Step 6: Final answer
    x = 277.26

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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.