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Finding the Fourth Proportional to 236.88, 327.28 and 184.64

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Solution

The fourth proportional to 236.88, 327.28 and 184.64 is: 255.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.88 : 327.28 = 184.64 : x
  2. Step 2: Convert to fraction form
    236.88/327.28 = 184.64/x
  3. Step 3: Cross multiply
    236.88x = 327.28 × 184.64
  4. Step 4: Simplify right side
    236.88x = 60,428.98
  5. Step 5: Solve for x
    x = 60,428.98/236.88
  6. Step 6: Final answer
    x = 255.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.