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Finding the Fourth Proportional to 308.44, 461.94 and 236.08

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Solution

The fourth proportional to 308.44, 461.94 and 236.08 is: 353.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    308.44 : 461.94 = 236.08 : x
  2. Step 2: Convert to fraction form
    308.44/461.94 = 236.08/x
  3. Step 3: Cross multiply
    308.44x = 461.94 × 236.08
  4. Step 4: Simplify right side
    308.44x = 109,054.80
  5. Step 5: Solve for x
    x = 109,054.80/308.44
  6. Step 6: Final answer
    x = 353.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.