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Finding the Fourth Proportional to 447.35, 674.08 and 367.97

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Solution

The fourth proportional to 447.35, 674.08 and 367.97 is: 554.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    447.35 : 674.08 = 367.97 : x
  2. Step 2: Convert to fraction form
    447.35/674.08 = 367.97/x
  3. Step 3: Cross multiply
    447.35x = 674.08 × 367.97
  4. Step 4: Simplify right side
    447.35x = 248,036.93
  5. Step 5: Solve for x
    x = 248,036.93/447.35
  6. Step 6: Final answer
    x = 554.46

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.