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Finding the Fourth Proportional to 175.77, 263.70 and 110.55

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Solution

The fourth proportional to 175.77, 263.70 and 110.55 is: 165.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.77 : 263.70 = 110.55 : x
  2. Step 2: Convert to fraction form
    175.77/263.70 = 110.55/x
  3. Step 3: Cross multiply
    175.77x = 263.70 × 110.55
  4. Step 4: Simplify right side
    175.77x = 29,150.72
  5. Step 5: Solve for x
    x = 29,150.72/175.77
  6. Step 6: Final answer
    x = 165.85

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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.