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Finding the Fourth Proportional to 236.95, 353.73 and 200.49

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Solution

The fourth proportional to 236.95, 353.73 and 200.49 is: 299.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.95 : 353.73 = 200.49 : x
  2. Step 2: Convert to fraction form
    236.95/353.73 = 200.49/x
  3. Step 3: Cross multiply
    236.95x = 353.73 × 200.49
  4. Step 4: Simplify right side
    236.95x = 70,919.83
  5. Step 5: Solve for x
    x = 70,919.83/236.95
  6. Step 6: Final answer
    x = 299.30

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.