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Finding the Fourth Proportional to 584.28, 805.92 and 374.52

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Solution

The fourth proportional to 584.28, 805.92 and 374.52 is: 516.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    584.28 : 805.92 = 374.52 : x
  2. Step 2: Convert to fraction form
    584.28/805.92 = 374.52/x
  3. Step 3: Cross multiply
    584.28x = 805.92 × 374.52
  4. Step 4: Simplify right side
    584.28x = 301,833.16
  5. Step 5: Solve for x
    x = 301,833.16/584.28
  6. Step 6: Final answer
    x = 516.59

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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.