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Finding the Fourth Proportional to 605.01, 834.66 and 372

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Solution

The fourth proportional to 605.01, 834.66 and 372 is: 513.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    605.01 : 834.66 = 372 : x
  2. Step 2: Convert to fraction form
    605.01/834.66 = 372/x
  3. Step 3: Cross multiply
    605.01x = 834.66 × 372
  4. Step 4: Simplify right side
    605.01x = 310,493.52
  5. Step 5: Solve for x
    x = 310,493.52/605.01
  6. Step 6: Final answer
    x = 513.20

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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.