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Finding the Fourth Proportional to 182.56, 251.76 and 147.57

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Solution

The fourth proportional to 182.56, 251.76 and 147.57 is: 203.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.56 : 251.76 = 147.57 : x
  2. Step 2: Convert to fraction form
    182.56/251.76 = 147.57/x
  3. Step 3: Cross multiply
    182.56x = 251.76 × 147.57
  4. Step 4: Simplify right side
    182.56x = 37,151.36
  5. Step 5: Solve for x
    x = 37,151.36/182.56
  6. Step 6: Final answer
    x = 203.50

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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.