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Finding the Fourth Proportional to 217.47, 300.27 and 168.27

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Solution

The fourth proportional to 217.47, 300.27 and 168.27 is: 232.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    217.47 : 300.27 = 168.27 : x
  2. Step 2: Convert to fraction form
    217.47/300.27 = 168.27/x
  3. Step 3: Cross multiply
    217.47x = 300.27 × 168.27
  4. Step 4: Simplify right side
    217.47x = 50,526.43
  5. Step 5: Solve for x
    x = 50,526.43/217.47
  6. Step 6: Final answer
    x = 232.34

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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.