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Finding the Fourth Proportional to 544.22, 816.59 and 235.97

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Solution

The fourth proportional to 544.22, 816.59 and 235.97 is: 354.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    544.22 : 816.59 = 235.97 : x
  2. Step 2: Convert to fraction form
    544.22/816.59 = 235.97/x
  3. Step 3: Cross multiply
    544.22x = 816.59 × 235.97
  4. Step 4: Simplify right side
    544.22x = 192,690.74
  5. Step 5: Solve for x
    x = 192,690.74/544.22
  6. Step 6: Final answer
    x = 354.07

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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.