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Finding the Fourth Proportional to 134.24, 202.22 and 131.60

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Solution

The fourth proportional to 134.24, 202.22 and 131.60 is: 198.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    134.24 : 202.22 = 131.60 : x
  2. Step 2: Convert to fraction form
    134.24/202.22 = 131.60/x
  3. Step 3: Cross multiply
    134.24x = 202.22 × 131.60
  4. Step 4: Simplify right side
    134.24x = 26,612.15
  5. Step 5: Solve for x
    x = 26,612.15/134.24
  6. Step 6: Final answer
    x = 198.24

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.