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Finding the Fourth Proportional to 547.11, 754.99 and 334.35

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Solution

The fourth proportional to 547.11, 754.99 and 334.35 is: 461.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    547.11 : 754.99 = 334.35 : x
  2. Step 2: Convert to fraction form
    547.11/754.99 = 334.35/x
  3. Step 3: Cross multiply
    547.11x = 754.99 × 334.35
  4. Step 4: Simplify right side
    547.11x = 252,430.91
  5. Step 5: Solve for x
    x = 252,430.91/547.11
  6. Step 6: Final answer
    x = 461.39

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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.