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Finding the Fourth Proportional to 229.62, 342.84 and 200.67

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Solution

The fourth proportional to 229.62, 342.84 and 200.67 is: 299.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    229.62 : 342.84 = 200.67 : x
  2. Step 2: Convert to fraction form
    229.62/342.84 = 200.67/x
  3. Step 3: Cross multiply
    229.62x = 342.84 × 200.67
  4. Step 4: Simplify right side
    229.62x = 68,797.70
  5. Step 5: Solve for x
    x = 68,797.70/229.62
  6. Step 6: Final answer
    x = 299.62

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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.