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Finding the Fourth Proportional to 203.93, 304.43 and 173.17

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Solution

The fourth proportional to 203.93, 304.43 and 173.17 is: 258.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    203.93 : 304.43 = 173.17 : x
  2. Step 2: Convert to fraction form
    203.93/304.43 = 173.17/x
  3. Step 3: Cross multiply
    203.93x = 304.43 × 173.17
  4. Step 4: Simplify right side
    203.93x = 52,719.12
  5. Step 5: Solve for x
    x = 52,719.12/203.93
  6. Step 6: Final answer
    x = 258.51

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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.