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Finding the Fourth Proportional to 544.52, 816.42 and 197.79

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Solution

The fourth proportional to 544.52, 816.42 and 197.79 is: 296.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    544.52 : 816.42 = 197.79 : x
  2. Step 2: Convert to fraction form
    544.52/816.42 = 197.79/x
  3. Step 3: Cross multiply
    544.52x = 816.42 × 197.79
  4. Step 4: Simplify right side
    544.52x = 161,475.63
  5. Step 5: Solve for x
    x = 161,475.63/544.52
  6. Step 6: Final answer
    x = 296.55

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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.