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Finding the Fourth Proportional to 544.75, 817.08 and 270.75

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Solution

The fourth proportional to 544.75, 817.08 and 270.75 is: 406.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    544.75 : 817.08 = 270.75 : x
  2. Step 2: Convert to fraction form
    544.75/817.08 = 270.75/x
  3. Step 3: Cross multiply
    544.75x = 817.08 × 270.75
  4. Step 4: Simplify right side
    544.75x = 221,224.41
  5. Step 5: Solve for x
    x = 221,224.41/544.75
  6. Step 6: Final answer
    x = 406.10

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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.