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Finding the Fourth Proportional to 544.83, 751.85 and 308.77

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Solution

The fourth proportional to 544.83, 751.85 and 308.77 is: 426.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    544.83 : 751.85 = 308.77 : x
  2. Step 2: Convert to fraction form
    544.83/751.85 = 308.77/x
  3. Step 3: Cross multiply
    544.83x = 751.85 × 308.77
  4. Step 4: Simplify right side
    544.83x = 232,147.62
  5. Step 5: Solve for x
    x = 232,147.62/544.83
  6. Step 6: Final answer
    x = 426.09

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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.