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Finding the Fourth Proportional to 544.13, 751.40 and 347.99

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Solution

The fourth proportional to 544.13, 751.40 and 347.99 is: 480.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    544.13 : 751.40 = 347.99 : x
  2. Step 2: Convert to fraction form
    544.13/751.40 = 347.99/x
  3. Step 3: Cross multiply
    544.13x = 751.40 × 347.99
  4. Step 4: Simplify right side
    544.13x = 261,481.68
  5. Step 5: Solve for x
    x = 261,481.68/544.13
  6. Step 6: Final answer
    x = 480.55

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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.