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Finding the Fourth Proportional to 203.51, 304.05 and 167.06

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Solution

The fourth proportional to 203.51, 304.05 and 167.06 is: 249.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    203.51 : 304.05 = 167.06 : x
  2. Step 2: Convert to fraction form
    203.51/304.05 = 167.06/x
  3. Step 3: Cross multiply
    203.51x = 304.05 × 167.06
  4. Step 4: Simplify right side
    203.51x = 50,795.98
  5. Step 5: Solve for x
    x = 50,795.98/203.51
  6. Step 6: Final answer
    x = 249.60

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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.