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Finding the Fourth Proportional to 217.24, 300.03 and 168.70

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Solution

The fourth proportional to 217.24, 300.03 and 168.70 is: 232.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    217.24 : 300.03 = 168.70 : x
  2. Step 2: Convert to fraction form
    217.24/300.03 = 168.70/x
  3. Step 3: Cross multiply
    217.24x = 300.03 × 168.70
  4. Step 4: Simplify right side
    217.24x = 50,615.06
  5. Step 5: Solve for x
    x = 50,615.06/217.24
  6. Step 6: Final answer
    x = 232.99

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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.