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Finding the Fourth Proportional to 547.88, 755.01 and 351.05

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Solution

The fourth proportional to 547.88, 755.01 and 351.05 is: 483.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    547.88 : 755.01 = 351.05 : x
  2. Step 2: Convert to fraction form
    547.88/755.01 = 351.05/x
  3. Step 3: Cross multiply
    547.88x = 755.01 × 351.05
  4. Step 4: Simplify right side
    547.88x = 265,042.49
  5. Step 5: Solve for x
    x = 265,042.49/547.88
  6. Step 6: Final answer
    x = 483.76

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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.