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Finding the Fourth Proportional to 135.34, 185.63 and 133.74

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Solution

The fourth proportional to 135.34, 185.63 and 133.74 is: 183.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    135.34 : 185.63 = 133.74 : x
  2. Step 2: Convert to fraction form
    135.34/185.63 = 133.74/x
  3. Step 3: Cross multiply
    135.34x = 185.63 × 133.74
  4. Step 4: Simplify right side
    135.34x = 24,826.18
  5. Step 5: Solve for x
    x = 24,826.18/135.34
  6. Step 6: Final answer
    x = 183.43

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.