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Finding the Fourth Proportional to 451.92, 673.31 and 450.11

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Solution

The fourth proportional to 451.92, 673.31 and 450.11 is: 670.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    451.92 : 673.31 = 450.11 : x
  2. Step 2: Convert to fraction form
    451.92/673.31 = 450.11/x
  3. Step 3: Cross multiply
    451.92x = 673.31 × 450.11
  4. Step 4: Simplify right side
    451.92x = 303,057.95
  5. Step 5: Solve for x
    x = 303,057.95/451.92
  6. Step 6: Final answer
    x = 670.60

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.