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Finding the Fourth Proportional to 204.52, 305.53 and 164.04

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Solution

The fourth proportional to 204.52, 305.53 and 164.04 is: 245.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    204.52 : 305.53 = 164.04 : x
  2. Step 2: Convert to fraction form
    204.52/305.53 = 164.04/x
  3. Step 3: Cross multiply
    204.52x = 305.53 × 164.04
  4. Step 4: Simplify right side
    204.52x = 50,119.14
  5. Step 5: Solve for x
    x = 50,119.14/204.52
  6. Step 6: Final answer
    x = 245.06

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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.