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Finding the Fourth Proportional to 141.32, 195.11 and 110.36

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Solution

The fourth proportional to 141.32, 195.11 and 110.36 is: 152.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    141.32 : 195.11 = 110.36 : x
  2. Step 2: Convert to fraction form
    141.32/195.11 = 110.36/x
  3. Step 3: Cross multiply
    141.32x = 195.11 × 110.36
  4. Step 4: Simplify right side
    141.32x = 21,530.81
  5. Step 5: Solve for x
    x = 21,530.81/141.32
  6. Step 6: Final answer
    x = 152.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.