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Finding the Fourth Proportional to 544.87, 750.99 and 397.27

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Solution

The fourth proportional to 544.87, 750.99 and 397.27 is: 547.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    544.87 : 750.99 = 397.27 : x
  2. Step 2: Convert to fraction form
    544.87/750.99 = 397.27/x
  3. Step 3: Cross multiply
    544.87x = 750.99 × 397.27
  4. Step 4: Simplify right side
    544.87x = 298,345.80
  5. Step 5: Solve for x
    x = 298,345.80/544.87
  6. Step 6: Final answer
    x = 547.55

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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.