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Finding the Fourth Proportional to 232.15, 348.27 and 201.64

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Solution

The fourth proportional to 232.15, 348.27 and 201.64 is: 302.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.15 : 348.27 = 201.64 : x
  2. Step 2: Convert to fraction form
    232.15/348.27 = 201.64/x
  3. Step 3: Cross multiply
    232.15x = 348.27 × 201.64
  4. Step 4: Simplify right side
    232.15x = 70,225.16
  5. Step 5: Solve for x
    x = 70,225.16/232.15
  6. Step 6: Final answer
    x = 302.50

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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.