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Finding the Fourth Proportional to 232.37, 348.62 and 172.25

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Solution

The fourth proportional to 232.37, 348.62 and 172.25 is: 258.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.37 : 348.62 = 172.25 : x
  2. Step 2: Convert to fraction form
    232.37/348.62 = 172.25/x
  3. Step 3: Cross multiply
    232.37x = 348.62 × 172.25
  4. Step 4: Simplify right side
    232.37x = 60,047.19
  5. Step 5: Solve for x
    x = 60,047.19/232.37
  6. Step 6: Final answer
    x = 258.42

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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.