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Finding the Fourth Proportional to 236.41, 352.13 and 233.21

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Solution

The fourth proportional to 236.41, 352.13 and 233.21 is: 347.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.41 : 352.13 = 233.21 : x
  2. Step 2: Convert to fraction form
    236.41/352.13 = 233.21/x
  3. Step 3: Cross multiply
    236.41x = 352.13 × 233.21
  4. Step 4: Simplify right side
    236.41x = 82,120.24
  5. Step 5: Solve for x
    x = 82,120.24/236.41
  6. Step 6: Final answer
    x = 347.36

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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.