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Finding the Fourth Proportional to 147.37, 203.27 and 116.27

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Solution

The fourth proportional to 147.37, 203.27 and 116.27 is: 160.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    147.37 : 203.27 = 116.27 : x
  2. Step 2: Convert to fraction form
    147.37/203.27 = 116.27/x
  3. Step 3: Cross multiply
    147.37x = 203.27 × 116.27
  4. Step 4: Simplify right side
    147.37x = 23,634.20
  5. Step 5: Solve for x
    x = 23,634.20/147.37
  6. Step 6: Final answer
    x = 160.38

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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.