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Finding the Fourth Proportional to 350.70, 483 and 272.94

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Solution

The fourth proportional to 350.70, 483 and 272.94 is: 375.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.70 : 483 = 272.94 : x
  2. Step 2: Convert to fraction form
    350.70/483 = 272.94/x
  3. Step 3: Cross multiply
    350.70x = 483 × 272.94
  4. Step 4: Simplify right side
    350.70x = 131,830.02
  5. Step 5: Solve for x
    x = 131,830.02/350.70
  6. Step 6: Final answer
    x = 375.91

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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.