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Finding the Fourth Proportional to 341.85, 471.79 and 194.48

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Solution

The fourth proportional to 341.85, 471.79 and 194.48 is: 268.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    341.85 : 471.79 = 194.48 : x
  2. Step 2: Convert to fraction form
    341.85/471.79 = 194.48/x
  3. Step 3: Cross multiply
    341.85x = 471.79 × 194.48
  4. Step 4: Simplify right side
    341.85x = 91,756.03
  5. Step 5: Solve for x
    x = 91,756.03/341.85
  6. Step 6: Final answer
    x = 268.41

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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.