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Finding the Fourth Proportional to 584.56, 806.82 and 374.74

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Solution

The fourth proportional to 584.56, 806.82 and 374.74 is: 517.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    584.56 : 806.82 = 374.74 : x
  2. Step 2: Convert to fraction form
    584.56/806.82 = 374.74/x
  3. Step 3: Cross multiply
    584.56x = 806.82 × 374.74
  4. Step 4: Simplify right side
    584.56x = 302,347.73
  5. Step 5: Solve for x
    x = 302,347.73/584.56
  6. Step 6: Final answer
    x = 517.22

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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.