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Finding the Fourth Proportional to 229.83, 344.50 and 114.36

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Solution

The fourth proportional to 229.83, 344.50 and 114.36 is: 171.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    229.83 : 344.50 = 114.36 : x
  2. Step 2: Convert to fraction form
    229.83/344.50 = 114.36/x
  3. Step 3: Cross multiply
    229.83x = 344.50 × 114.36
  4. Step 4: Simplify right side
    229.83x = 39,397.30
  5. Step 5: Solve for x
    x = 39,397.30/229.83
  6. Step 6: Final answer
    x = 171.42

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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.