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Finding the Fourth Proportional to 113.42, 170.14 and 36.37

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Solution

The fourth proportional to 113.42, 170.14 and 36.37 is: 54.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    113.42 : 170.14 = 36.37 : x
  2. Step 2: Convert to fraction form
    113.42/170.14 = 36.37/x
  3. Step 3: Cross multiply
    113.42x = 170.14 × 36.37
  4. Step 4: Simplify right side
    113.42x = 6,188.08
  5. Step 5: Solve for x
    x = 6,188.08/113.42
  6. Step 6: Final answer
    x = 54.56

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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.