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Finding the Fourth Proportional to 544.43, 816.71 and 197.71

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Solution

The fourth proportional to 544.43, 816.71 and 197.71 is: 296.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    544.43 : 816.71 = 197.71 : x
  2. Step 2: Convert to fraction form
    544.43/816.71 = 197.71/x
  3. Step 3: Cross multiply
    544.43x = 816.71 × 197.71
  4. Step 4: Simplify right side
    544.43x = 161,471.82
  5. Step 5: Solve for x
    x = 161,471.82/544.43
  6. Step 6: Final answer
    x = 296.59

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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.