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Finding the Fourth Proportional to 441.68, 609.44 and 267.06

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Solution

The fourth proportional to 441.68, 609.44 and 267.06 is: 368.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    441.68 : 609.44 = 267.06 : x
  2. Step 2: Convert to fraction form
    441.68/609.44 = 267.06/x
  3. Step 3: Cross multiply
    441.68x = 609.44 × 267.06
  4. Step 4: Simplify right side
    441.68x = 162,757.05
  5. Step 5: Solve for x
    x = 162,757.05/441.68
  6. Step 6: Final answer
    x = 368.50

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.