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Finding the Fourth Proportional to 322.02, 444.48 and 204.06

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Solution

The fourth proportional to 322.02, 444.48 and 204.06 is: 281.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    322.02 : 444.48 = 204.06 : x
  2. Step 2: Convert to fraction form
    322.02/444.48 = 204.06/x
  3. Step 3: Cross multiply
    322.02x = 444.48 × 204.06
  4. Step 4: Simplify right side
    322.02x = 90,700.59
  5. Step 5: Solve for x
    x = 90,700.59/322.02
  6. Step 6: Final answer
    x = 281.66

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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.