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Finding the Fourth Proportional to 134.91, 202.50 and 96.44

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Solution

The fourth proportional to 134.91, 202.50 and 96.44 is: 144.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    134.91 : 202.50 = 96.44 : x
  2. Step 2: Convert to fraction form
    134.91/202.50 = 96.44/x
  3. Step 3: Cross multiply
    134.91x = 202.50 × 96.44
  4. Step 4: Simplify right side
    134.91x = 19,528.09
  5. Step 5: Solve for x
    x = 19,528.09/134.91
  6. Step 6: Final answer
    x = 144.75

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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.