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Finding the Fourth Proportional to 110.37, 165.59 and 49.52

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Solution

The fourth proportional to 110.37, 165.59 and 49.52 is: 74.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    110.37 : 165.59 = 49.52 : x
  2. Step 2: Convert to fraction form
    110.37/165.59 = 49.52/x
  3. Step 3: Cross multiply
    110.37x = 165.59 × 49.52
  4. Step 4: Simplify right side
    110.37x = 8,200.55
  5. Step 5: Solve for x
    x = 8,200.55/110.37
  6. Step 6: Final answer
    x = 74.30

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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.