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Finding the Fourth Proportional to 450.45, 674.73 and 401.58

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Solution

The fourth proportional to 450.45, 674.73 and 401.58 is: 601.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    450.45 : 674.73 = 401.58 : x
  2. Step 2: Convert to fraction form
    450.45/674.73 = 401.58/x
  3. Step 3: Cross multiply
    450.45x = 674.73 × 401.58
  4. Step 4: Simplify right side
    450.45x = 270,958.07
  5. Step 5: Solve for x
    x = 270,958.07/450.45
  6. Step 6: Final answer
    x = 601.53

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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.