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Finding the Fourth Proportional to 204.00, 305.93 and 145.73

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Solution

The fourth proportional to 204.00, 305.93 and 145.73 is: 218.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    204.00 : 305.93 = 145.73 : x
  2. Step 2: Convert to fraction form
    204.00/305.93 = 145.73/x
  3. Step 3: Cross multiply
    204.00x = 305.93 × 145.73
  4. Step 4: Simplify right side
    204.00x = 44,584.31
  5. Step 5: Solve for x
    x = 44,584.31/204.00
  6. Step 6: Final answer
    x = 218.55

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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.