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Finding the Fourth Proportional to 175.69, 263.54 and 67.48

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Solution

The fourth proportional to 175.69, 263.54 and 67.48 is: 101.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.69 : 263.54 = 67.48 : x
  2. Step 2: Convert to fraction form
    175.69/263.54 = 67.48/x
  3. Step 3: Cross multiply
    175.69x = 263.54 × 67.48
  4. Step 4: Simplify right side
    175.69x = 17,783.32
  5. Step 5: Solve for x
    x = 17,783.32/175.69
  6. Step 6: Final answer
    x = 101.22

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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.