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Finding the Fourth Proportional to 200.06, 299.60 and 165.57

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Solution

The fourth proportional to 200.06, 299.60 and 165.57 is: 247.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    200.06 : 299.60 = 165.57 : x
  2. Step 2: Convert to fraction form
    200.06/299.60 = 165.57/x
  3. Step 3: Cross multiply
    200.06x = 299.60 × 165.57
  4. Step 4: Simplify right side
    200.06x = 49,604.37
  5. Step 5: Solve for x
    x = 49,604.37/200.06
  6. Step 6: Final answer
    x = 247.95

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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.