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Finding the Fourth Proportional to 134.56, 184.57 and 133.40

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Solution

The fourth proportional to 134.56, 184.57 and 133.40 is: 182.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    134.56 : 184.57 = 133.40 : x
  2. Step 2: Convert to fraction form
    134.56/184.57 = 133.40/x
  3. Step 3: Cross multiply
    134.56x = 184.57 × 133.40
  4. Step 4: Simplify right side
    134.56x = 24,621.64
  5. Step 5: Solve for x
    x = 24,621.64/134.56
  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.