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Finding the Fourth Proportional to 132.59, 183.36 and 116.19

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Solution

The fourth proportional to 132.59, 183.36 and 116.19 is: 160.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    132.59 : 183.36 = 116.19 : x
  2. Step 2: Convert to fraction form
    132.59/183.36 = 116.19/x
  3. Step 3: Cross multiply
    132.59x = 183.36 × 116.19
  4. Step 4: Simplify right side
    132.59x = 21,304.60
  5. Step 5: Solve for x
    x = 21,304.60/132.59
  6. Step 6: Final answer
    x = 160.68

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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.