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Finding the Fourth Proportional to 444.29, 666.47 and 184.21

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Solution

The fourth proportional to 444.29, 666.47 and 184.21 is: 276.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    444.29 : 666.47 = 184.21 : x
  2. Step 2: Convert to fraction form
    444.29/666.47 = 184.21/x
  3. Step 3: Cross multiply
    444.29x = 666.47 × 184.21
  4. Step 4: Simplify right side
    444.29x = 122,770.44
  5. Step 5: Solve for x
    x = 122,770.44/444.29
  6. Step 6: Final answer
    x = 276.33

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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.