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Finding the Fourth Proportional to 606.72, 908.69 and 444

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Solution

The fourth proportional to 606.72, 908.69 and 444 is: 664.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.72 : 908.69 = 444 : x
  2. Step 2: Convert to fraction form
    606.72/908.69 = 444/x
  3. Step 3: Cross multiply
    606.72x = 908.69 × 444
  4. Step 4: Simplify right side
    606.72x = 403,456.14
  5. Step 5: Solve for x
    x = 403,456.14/606.72
  6. Step 6: Final answer
    x = 664.98

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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.