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Finding the Fourth Proportional to 341.80, 471.60 and 194.43

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Solution

The fourth proportional to 341.80, 471.60 and 194.43 is: 268.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    341.80 : 471.60 = 194.43 : x
  2. Step 2: Convert to fraction form
    341.80/471.60 = 194.43/x
  3. Step 3: Cross multiply
    341.80x = 471.60 × 194.43
  4. Step 4: Simplify right side
    341.80x = 91,694.41
  5. Step 5: Solve for x
    x = 91,694.41/341.80
  6. Step 6: Final answer
    x = 268.27

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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.