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Finding the Fourth Proportional to 235.68, 352.02 and 225.24

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Solution

The fourth proportional to 235.68, 352.02 and 225.24 is: 336.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.68 : 352.02 = 225.24 : x
  2. Step 2: Convert to fraction form
    235.68/352.02 = 225.24/x
  3. Step 3: Cross multiply
    235.68x = 352.02 × 225.24
  4. Step 4: Simplify right side
    235.68x = 79,288.98
  5. Step 5: Solve for x
    x = 79,288.98/235.68
  6. Step 6: Final answer
    x = 336.43

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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.