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Finding the Fourth Proportional to 200.16, 301.92 and 193.68

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Solution

The fourth proportional to 200.16, 301.92 and 193.68 is: 292.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    200.16 : 301.92 = 193.68 : x
  2. Step 2: Convert to fraction form
    200.16/301.92 = 193.68/x
  3. Step 3: Cross multiply
    200.16x = 301.92 × 193.68
  4. Step 4: Simplify right side
    200.16x = 58,475.87
  5. Step 5: Solve for x
    x = 58,475.87/200.16
  6. Step 6: Final answer
    x = 292.15

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.