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Finding the Fourth Proportional to 446.37, 671.97 and 401.72

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Solution

The fourth proportional to 446.37, 671.97 and 401.72 is: 604.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    446.37 : 671.97 = 401.72 : x
  2. Step 2: Convert to fraction form
    446.37/671.97 = 401.72/x
  3. Step 3: Cross multiply
    446.37x = 671.97 × 401.72
  4. Step 4: Simplify right side
    446.37x = 269,940.43
  5. Step 5: Solve for x
    x = 269,940.43/446.37
  6. Step 6: Final answer
    x = 604.75

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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.