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Finding the Fourth Proportional to 167.01, 250.50 and 84.81

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Solution

The fourth proportional to 167.01, 250.50 and 84.81 is: 127.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.01 : 250.50 = 84.81 : x
  2. Step 2: Convert to fraction form
    167.01/250.50 = 84.81/x
  3. Step 3: Cross multiply
    167.01x = 250.50 × 84.81
  4. Step 4: Simplify right side
    167.01x = 21,244.91
  5. Step 5: Solve for x
    x = 21,244.91/167.01
  6. Step 6: Final answer
    x = 127.21

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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.