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Finding the Fourth Proportional to 544.33, 815.19 and 414.19

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Solution

The fourth proportional to 544.33, 815.19 and 414.19 is: 620.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    544.33 : 815.19 = 414.19 : x
  2. Step 2: Convert to fraction form
    544.33/815.19 = 414.19/x
  3. Step 3: Cross multiply
    544.33x = 815.19 × 414.19
  4. Step 4: Simplify right side
    544.33x = 337,643.55
  5. Step 5: Solve for x
    x = 337,643.55/544.33
  6. Step 6: Final answer
    x = 620.29

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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.