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Finding the Fourth Proportional to 376.72, 567.94 and 353.26

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Solution

The fourth proportional to 376.72, 567.94 and 353.26 is: 532.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    376.72 : 567.94 = 353.26 : x
  2. Step 2: Convert to fraction form
    376.72/567.94 = 353.26/x
  3. Step 3: Cross multiply
    376.72x = 567.94 × 353.26
  4. Step 4: Simplify right side
    376.72x = 200,630.48
  5. Step 5: Solve for x
    x = 200,630.48/376.72
  6. Step 6: Final answer
    x = 532.57

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.