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Finding the Fourth Proportional to 544.44, 814.77 and 445.80

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Solution

The fourth proportional to 544.44, 814.77 and 445.80 is: 667.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    544.44 : 814.77 = 445.80 : x
  2. Step 2: Convert to fraction form
    544.44/814.77 = 445.80/x
  3. Step 3: Cross multiply
    544.44x = 814.77 × 445.80
  4. Step 4: Simplify right side
    544.44x = 363,224.47
  5. Step 5: Solve for x
    x = 363,224.47/544.44
  6. Step 6: Final answer
    x = 667.15

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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.