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Finding the Fourth Proportional to 376.26, 557.34 and 371.94

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Solution

The fourth proportional to 376.26, 557.34 and 371.94 is: 550.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    376.26 : 557.34 = 371.94 : x
  2. Step 2: Convert to fraction form
    376.26/557.34 = 371.94/x
  3. Step 3: Cross multiply
    376.26x = 557.34 × 371.94
  4. Step 4: Simplify right side
    376.26x = 207,297.04
  5. Step 5: Solve for x
    x = 207,297.04/376.26
  6. Step 6: Final answer
    x = 550.94

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.