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Finding the Fourth Proportional to 547.57, 754.93 and 350.74

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Solution

The fourth proportional to 547.57, 754.93 and 350.74 is: 483.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    547.57 : 754.93 = 350.74 : x
  2. Step 2: Convert to fraction form
    547.57/754.93 = 350.74/x
  3. Step 3: Cross multiply
    547.57x = 754.93 × 350.74
  4. Step 4: Simplify right side
    547.57x = 264,784.15
  5. Step 5: Solve for x
    x = 264,784.15/547.57
  6. Step 6: Final answer
    x = 483.56

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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.