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Finding the Fourth Proportional to 200.37, 298.19 and 193.80

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Solution

The fourth proportional to 200.37, 298.19 and 193.80 is: 288.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    200.37 : 298.19 = 193.80 : x
  2. Step 2: Convert to fraction form
    200.37/298.19 = 193.80/x
  3. Step 3: Cross multiply
    200.37x = 298.19 × 193.80
  4. Step 4: Simplify right side
    200.37x = 57,790.82
  5. Step 5: Solve for x
    x = 57,790.82/200.37
  6. Step 6: Final answer
    x = 288.42

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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.