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Finding the Fourth Proportional to 444.92, 667.60 and 262.67

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Solution

The fourth proportional to 444.92, 667.60 and 262.67 is: 394.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    444.92 : 667.60 = 262.67 : x
  2. Step 2: Convert to fraction form
    444.92/667.60 = 262.67/x
  3. Step 3: Cross multiply
    444.92x = 667.60 × 262.67
  4. Step 4: Simplify right side
    444.92x = 175,354.50
  5. Step 5: Solve for x
    x = 175,354.50/444.92
  6. Step 6: Final answer
    x = 394.13

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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.