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Finding the Fourth Proportional to 203.93, 304.40 and 179.63

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Solution

The fourth proportional to 203.93, 304.40 and 179.63 is: 268.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    203.93 : 304.40 = 179.63 : x
  2. Step 2: Convert to fraction form
    203.93/304.40 = 179.63/x
  3. Step 3: Cross multiply
    203.93x = 304.40 × 179.63
  4. Step 4: Simplify right side
    203.93x = 54,676.95
  5. Step 5: Solve for x
    x = 54,676.95/203.93
  6. Step 6: Final answer
    x = 268.12

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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.