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Finding the Fourth Proportional to 544.22, 751.17 and 323.19

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Solution

The fourth proportional to 544.22, 751.17 and 323.19 is: 446.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    544.22 : 751.17 = 323.19 : x
  2. Step 2: Convert to fraction form
    544.22/751.17 = 323.19/x
  3. Step 3: Cross multiply
    544.22x = 751.17 × 323.19
  4. Step 4: Simplify right side
    544.22x = 242,771.84
  5. Step 5: Solve for x
    x = 242,771.84/544.22
  6. Step 6: Final answer
    x = 446.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.