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Finding the Fourth Proportional to 544.89, 751.92 and 308.82

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Solution

The fourth proportional to 544.89, 751.92 and 308.82 is: 426.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    544.89 : 751.92 = 308.82 : x
  2. Step 2: Convert to fraction form
    544.89/751.92 = 308.82/x
  3. Step 3: Cross multiply
    544.89x = 751.92 × 308.82
  4. Step 4: Simplify right side
    544.89x = 232,207.93
  5. Step 5: Solve for x
    x = 232,207.93/544.89
  6. Step 6: Final answer
    x = 426.16

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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.