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Finding the Fourth Proportional to 175.37, 263.07 and 67.23

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Solution

The fourth proportional to 175.37, 263.07 and 67.23 is: 100.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.37 : 263.07 = 67.23 : x
  2. Step 2: Convert to fraction form
    175.37/263.07 = 67.23/x
  3. Step 3: Cross multiply
    175.37x = 263.07 × 67.23
  4. Step 4: Simplify right side
    175.37x = 17,686.20
  5. Step 5: Solve for x
    x = 17,686.20/175.37
  6. Step 6: Final answer
    x = 100.85

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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.