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Finding the Fourth Proportional to 135.46, 203.04 and 96.94

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Solution

The fourth proportional to 135.46, 203.04 and 96.94 is: 145.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    135.46 : 203.04 = 96.94 : x
  2. Step 2: Convert to fraction form
    135.46/203.04 = 96.94/x
  3. Step 3: Cross multiply
    135.46x = 203.04 × 96.94
  4. Step 4: Simplify right side
    135.46x = 19,682.70
  5. Step 5: Solve for x
    x = 19,682.70/135.46
  6. Step 6: Final answer
    x = 145.30

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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.