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Finding the Fourth Proportional to 544.58, 751 and 347.74

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Solution

The fourth proportional to 544.58, 751 and 347.74 is: 479.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    544.58 : 751 = 347.74 : x
  2. Step 2: Convert to fraction form
    544.58/751 = 347.74/x
  3. Step 3: Cross multiply
    544.58x = 751 × 347.74
  4. Step 4: Simplify right side
    544.58x = 261,152.74
  5. Step 5: Solve for x
    x = 261,152.74/544.58
  6. Step 6: Final answer
    x = 479.55

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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.