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Finding the Fourth Proportional to 217.48, 300.37 and 168.95

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Solution

The fourth proportional to 217.48, 300.37 and 168.95 is: 233.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    217.48 : 300.37 = 168.95 : x
  2. Step 2: Convert to fraction form
    217.48/300.37 = 168.95/x
  3. Step 3: Cross multiply
    217.48x = 300.37 × 168.95
  4. Step 4: Simplify right side
    217.48x = 50,747.51
  5. Step 5: Solve for x
    x = 50,747.51/217.48
  6. Step 6: Final answer
    x = 233.34

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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.