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Finding the Fourth Proportional to 232.16, 348 and 102.24

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Solution

The fourth proportional to 232.16, 348 and 102.24 is: 153.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.16 : 348 = 102.24 : x
  2. Step 2: Convert to fraction form
    232.16/348 = 102.24/x
  3. Step 3: Cross multiply
    232.16x = 348 × 102.24
  4. Step 4: Simplify right side
    232.16x = 35,579.52
  5. Step 5: Solve for x
    x = 35,579.52/232.16
  6. Step 6: Final answer
    x = 153.25

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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.