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Finding the Fourth Proportional to 165.87, 228.60 and 132.57

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Solution

The fourth proportional to 165.87, 228.60 and 132.57 is: 182.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    165.87 : 228.60 = 132.57 : x
  2. Step 2: Convert to fraction form
    165.87/228.60 = 132.57/x
  3. Step 3: Cross multiply
    165.87x = 228.60 × 132.57
  4. Step 4: Simplify right side
    165.87x = 30,305.50
  5. Step 5: Solve for x
    x = 30,305.50/165.87
  6. Step 6: Final answer
    x = 182.71

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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.