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Finding the Fourth Proportional to 135.89, 185.88 and 133.77

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Solution

The fourth proportional to 135.89, 185.88 and 133.77 is: 182.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    135.89 : 185.88 = 133.77 : x
  2. Step 2: Convert to fraction form
    135.89/185.88 = 133.77/x
  3. Step 3: Cross multiply
    135.89x = 185.88 × 133.77
  4. Step 4: Simplify right side
    135.89x = 24,864.50
  5. Step 5: Solve for x
    x = 24,864.50/135.89
  6. Step 6: Final answer
    x = 182.98

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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.