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Finding the Fourth Proportional to 445.44, 667.60 and 336.92

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Solution

The fourth proportional to 445.44, 667.60 and 336.92 is: 504.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    445.44 : 667.60 = 336.92 : x
  2. Step 2: Convert to fraction form
    445.44/667.60 = 336.92/x
  3. Step 3: Cross multiply
    445.44x = 667.60 × 336.92
  4. Step 4: Simplify right side
    445.44x = 224,927.79
  5. Step 5: Solve for x
    x = 224,927.79/445.44
  6. Step 6: Final answer
    x = 504.96

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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.