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Finding the Fourth Proportional to 202.94, 304.54 and 94.73

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Solution

The fourth proportional to 202.94, 304.54 and 94.73 is: 142.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    202.94 : 304.54 = 94.73 : x
  2. Step 2: Convert to fraction form
    202.94/304.54 = 94.73/x
  3. Step 3: Cross multiply
    202.94x = 304.54 × 94.73
  4. Step 4: Simplify right side
    202.94x = 28,849.60
  5. Step 5: Solve for x
    x = 28,849.60/202.94
  6. Step 6: Final answer
    x = 142.16

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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.