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Finding the Fourth Proportional to 650.07, 974.25 and 389.23

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Solution

The fourth proportional to 650.07, 974.25 and 389.23 is: 583.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    650.07 : 974.25 = 389.23 : x
  2. Step 2: Convert to fraction form
    650.07/974.25 = 389.23/x
  3. Step 3: Cross multiply
    650.07x = 974.25 × 389.23
  4. Step 4: Simplify right side
    650.07x = 379,205.38
  5. Step 5: Solve for x
    x = 379,205.38/650.07
  6. Step 6: Final answer
    x = 583.33

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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.