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Finding the Fourth Proportional to 683.87, 944.00 and 462.38

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Solution

The fourth proportional to 683.87, 944.00 and 462.38 is: 638.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    683.87 : 944.00 = 462.38 : x
  2. Step 2: Convert to fraction form
    683.87/944.00 = 462.38/x
  3. Step 3: Cross multiply
    683.87x = 944.00 × 462.38
  4. Step 4: Simplify right side
    683.87x = 436,479.69
  5. Step 5: Solve for x
    x = 436,479.69/683.87
  6. Step 6: Final answer
    x = 638.25

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Double scale
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1.5x scale

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.