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Finding the Fourth Proportional to 167.65, 251.46 and 50.51

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Solution

The fourth proportional to 167.65, 251.46 and 50.51 is: 75.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.65 : 251.46 = 50.51 : x
  2. Step 2: Convert to fraction form
    167.65/251.46 = 50.51/x
  3. Step 3: Cross multiply
    167.65x = 251.46 × 50.51
  4. Step 4: Simplify right side
    167.65x = 12,701.87
  5. Step 5: Solve for x
    x = 12,701.87/167.65
  6. Step 6: Final answer
    x = 75.77

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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.