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Finding the Fourth Proportional to 167.01, 249.30 and 156.33

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Solution

The fourth proportional to 167.01, 249.30 and 156.33 is: 233.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.01 : 249.30 = 156.33 : x
  2. Step 2: Convert to fraction form
    167.01/249.30 = 156.33/x
  3. Step 3: Cross multiply
    167.01x = 249.30 × 156.33
  4. Step 4: Simplify right side
    167.01x = 38,973.07
  5. Step 5: Solve for x
    x = 38,973.07/167.01
  6. Step 6: Final answer
    x = 233.36

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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.