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Finding the Fourth Proportional to 229.44, 344.34 and 148.26

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Solution

The fourth proportional to 229.44, 344.34 and 148.26 is: 222.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    229.44 : 344.34 = 148.26 : x
  2. Step 2: Convert to fraction form
    229.44/344.34 = 148.26/x
  3. Step 3: Cross multiply
    229.44x = 344.34 × 148.26
  4. Step 4: Simplify right side
    229.44x = 51,051.85
  5. Step 5: Solve for x
    x = 51,051.85/229.44
  6. Step 6: Final answer
    x = 222.51

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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.