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Finding the Fourth Proportional to 236.64, 353.49 and 200.16

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Solution

The fourth proportional to 236.64, 353.49 and 200.16 is: 299.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.64 : 353.49 = 200.16 : x
  2. Step 2: Convert to fraction form
    236.64/353.49 = 200.16/x
  3. Step 3: Cross multiply
    236.64x = 353.49 × 200.16
  4. Step 4: Simplify right side
    236.64x = 70,754.56
  5. Step 5: Solve for x
    x = 70,754.56/236.64
  6. Step 6: Final answer
    x = 299.00

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.