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Finding the Fourth Proportional to 517.05, 773.76 and 370.97

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Solution

The fourth proportional to 517.05, 773.76 and 370.97 is: 555.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    517.05 : 773.76 = 370.97 : x
  2. Step 2: Convert to fraction form
    517.05/773.76 = 370.97/x
  3. Step 3: Cross multiply
    517.05x = 773.76 × 370.97
  4. Step 4: Simplify right side
    517.05x = 287,041.75
  5. Step 5: Solve for x
    x = 287,041.75/517.05
  6. Step 6: Final answer
    x = 555.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.