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Finding the Fourth Proportional to 544.65, 751.62 and 323.70

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Solution

The fourth proportional to 544.65, 751.62 and 323.70 is: 446.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    544.65 : 751.62 = 323.70 : x
  2. Step 2: Convert to fraction form
    544.65/751.62 = 323.70/x
  3. Step 3: Cross multiply
    544.65x = 751.62 × 323.70
  4. Step 4: Simplify right side
    544.65x = 243,299.39
  5. Step 5: Solve for x
    x = 243,299.39/544.65
  6. Step 6: Final answer
    x = 446.71

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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.