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Finding the Fourth Proportional to 441.63, 609.03 and 330.93

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Solution

The fourth proportional to 441.63, 609.03 and 330.93 is: 456.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    441.63 : 609.03 = 330.93 : x
  2. Step 2: Convert to fraction form
    441.63/609.03 = 330.93/x
  3. Step 3: Cross multiply
    441.63x = 609.03 × 330.93
  4. Step 4: Simplify right side
    441.63x = 201,546.30
  5. Step 5: Solve for x
    x = 201,546.30/441.63
  6. Step 6: Final answer
    x = 456.37

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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.