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Finding the Fourth Proportional to 182.37, 251.57 and 113.25

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Solution

The fourth proportional to 182.37, 251.57 and 113.25 is: 156.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.37 : 251.57 = 113.25 : x
  2. Step 2: Convert to fraction form
    182.37/251.57 = 113.25/x
  3. Step 3: Cross multiply
    182.37x = 251.57 × 113.25
  4. Step 4: Simplify right side
    182.37x = 28,489.74
  5. Step 5: Solve for x
    x = 28,489.74/182.37
  6. Step 6: Final answer
    x = 156.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.