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Finding the Fourth Proportional to 200.35, 300.56 and 63.38

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Solution

The fourth proportional to 200.35, 300.56 and 63.38 is: 95.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    200.35 : 300.56 = 63.38 : x
  2. Step 2: Convert to fraction form
    200.35/300.56 = 63.38/x
  3. Step 3: Cross multiply
    200.35x = 300.56 × 63.38
  4. Step 4: Simplify right side
    200.35x = 19,049.93
  5. Step 5: Solve for x
    x = 19,049.93/200.35
  6. Step 6: Final answer
    x = 95.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.