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Finding the Fourth Proportional to 113.37, 170.16 and 44.94

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Solution

The fourth proportional to 113.37, 170.16 and 44.94 is: 67.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    113.37 : 170.16 = 44.94 : x
  2. Step 2: Convert to fraction form
    113.37/170.16 = 44.94/x
  3. Step 3: Cross multiply
    113.37x = 170.16 × 44.94
  4. Step 4: Simplify right side
    113.37x = 7,646.99
  5. Step 5: Solve for x
    x = 7,646.99/113.37
  6. Step 6: Final answer
    x = 67.45

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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.