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Finding the Fourth Proportional to 441.01, 657.59 and 394.84

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Solution

The fourth proportional to 441.01, 657.59 and 394.84 is: 588.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    441.01 : 657.59 = 394.84 : x
  2. Step 2: Convert to fraction form
    441.01/657.59 = 394.84/x
  3. Step 3: Cross multiply
    441.01x = 657.59 × 394.84
  4. Step 4: Simplify right side
    441.01x = 259,641.68
  5. Step 5: Solve for x
    x = 259,641.68/441.01
  6. Step 6: Final answer
    x = 588.74

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.