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Finding the Fourth Proportional to 584.87, 806.38 and 374.69

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Solution

The fourth proportional to 584.87, 806.38 and 374.69 is: 516.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    584.87 : 806.38 = 374.69 : x
  2. Step 2: Convert to fraction form
    584.87/806.38 = 374.69/x
  3. Step 3: Cross multiply
    584.87x = 806.38 × 374.69
  4. Step 4: Simplify right side
    584.87x = 302,143.60
  5. Step 5: Solve for x
    x = 302,143.60/584.87
  6. Step 6: Final answer
    x = 516.60

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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.