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Finding the Fourth Proportional to 547.60, 755.26 and 351.13

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Solution

The fourth proportional to 547.60, 755.26 and 351.13 is: 484.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    547.60 : 755.26 = 351.13 : x
  2. Step 2: Convert to fraction form
    547.60/755.26 = 351.13/x
  3. Step 3: Cross multiply
    547.60x = 755.26 × 351.13
  4. Step 4: Simplify right side
    547.60x = 265,195.83
  5. Step 5: Solve for x
    x = 265,195.83/547.60
  6. Step 6: Final answer
    x = 484.29

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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.