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Finding the Fourth Proportional to 341.22, 470.89 and 185.97

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Solution

The fourth proportional to 341.22, 470.89 and 185.97 is: 256.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    341.22 : 470.89 = 185.97 : x
  2. Step 2: Convert to fraction form
    341.22/470.89 = 185.97/x
  3. Step 3: Cross multiply
    341.22x = 470.89 × 185.97
  4. Step 4: Simplify right side
    341.22x = 87,571.41
  5. Step 5: Solve for x
    x = 87,571.41/341.22
  6. Step 6: Final answer
    x = 256.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.