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Finding the Fourth Proportional to 444.70, 667.14 and 262.12

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Solution

The fourth proportional to 444.70, 667.14 and 262.12 is: 393.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    444.70 : 667.14 = 262.12 : x
  2. Step 2: Convert to fraction form
    444.70/667.14 = 262.12/x
  3. Step 3: Cross multiply
    444.70x = 667.14 × 262.12
  4. Step 4: Simplify right side
    444.70x = 174,870.74
  5. Step 5: Solve for x
    x = 174,870.74/444.70
  6. Step 6: Final answer
    x = 393.23

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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.