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Finding the Fourth Proportional to 544.06, 815.49 and 348.44

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Solution

The fourth proportional to 544.06, 815.49 and 348.44 is: 522.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    544.06 : 815.49 = 348.44 : x
  2. Step 2: Convert to fraction form
    544.06/815.49 = 348.44/x
  3. Step 3: Cross multiply
    544.06x = 815.49 × 348.44
  4. Step 4: Simplify right side
    544.06x = 284,149.34
  5. Step 5: Solve for x
    x = 284,149.34/544.06
  6. Step 6: Final answer
    x = 522.28

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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.