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Finding the Fourth Proportional to 231.22, 346.41 and 200.23

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Solution

The fourth proportional to 231.22, 346.41 and 200.23 is: 299.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    231.22 : 346.41 = 200.23 : x
  2. Step 2: Convert to fraction form
    231.22/346.41 = 200.23/x
  3. Step 3: Cross multiply
    231.22x = 346.41 × 200.23
  4. Step 4: Simplify right side
    231.22x = 69,361.67
  5. Step 5: Solve for x
    x = 69,361.67/231.22
  6. Step 6: Final answer
    x = 299.98

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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.