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Finding the Fourth Proportional to 132.52, 183.06 and 117.88

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Solution

The fourth proportional to 132.52, 183.06 and 117.88 is: 162.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    132.52 : 183.06 = 117.88 : x
  2. Step 2: Convert to fraction form
    132.52/183.06 = 117.88/x
  3. Step 3: Cross multiply
    132.52x = 183.06 × 117.88
  4. Step 4: Simplify right side
    132.52x = 21,579.11
  5. Step 5: Solve for x
    x = 21,579.11/132.52
  6. Step 6: Final answer
    x = 162.84

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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.