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Finding the Fourth Proportional to 547.27, 754.35 and 350.44

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Solution

The fourth proportional to 547.27, 754.35 and 350.44 is: 483.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    547.27 : 754.35 = 350.44 : x
  2. Step 2: Convert to fraction form
    547.27/754.35 = 350.44/x
  3. Step 3: Cross multiply
    547.27x = 754.35 × 350.44
  4. Step 4: Simplify right side
    547.27x = 264,354.41
  5. Step 5: Solve for x
    x = 264,354.41/547.27
  6. Step 6: Final answer
    x = 483.04

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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.