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Finding the Fourth Proportional to 110.14, 165.18 and 46

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Solution

The fourth proportional to 110.14, 165.18 and 46 is: 68.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    110.14 : 165.18 = 46 : x
  2. Step 2: Convert to fraction form
    110.14/165.18 = 46/x
  3. Step 3: Cross multiply
    110.14x = 165.18 × 46
  4. Step 4: Simplify right side
    110.14x = 7,598.28
  5. Step 5: Solve for x
    x = 7,598.28/110.14
  6. Step 6: Final answer
    x = 68.99

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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.