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Finding the Fourth Proportional to 203.24, 304.29 and 110.49

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Solution

The fourth proportional to 203.24, 304.29 and 110.49 is: 165.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    203.24 : 304.29 = 110.49 : x
  2. Step 2: Convert to fraction form
    203.24/304.29 = 110.49/x
  3. Step 3: Cross multiply
    203.24x = 304.29 × 110.49
  4. Step 4: Simplify right side
    203.24x = 33,621.00
  5. Step 5: Solve for x
    x = 33,621.00/203.24
  6. Step 6: Final answer
    x = 165.43

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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.