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Finding the Fourth Proportional to 240.94, 330.94 and 236.33

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Solution

The fourth proportional to 240.94, 330.94 and 236.33 is: 324.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    240.94 : 330.94 = 236.33 : x
  2. Step 2: Convert to fraction form
    240.94/330.94 = 236.33/x
  3. Step 3: Cross multiply
    240.94x = 330.94 × 236.33
  4. Step 4: Simplify right side
    240.94x = 78,210.81
  5. Step 5: Solve for x
    x = 78,210.81/240.94
  6. Step 6: Final answer
    x = 324.61

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.