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Finding the Fourth Proportional to 88.37, 132.27 and 79.95

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Solution

The fourth proportional to 88.37, 132.27 and 79.95 is: 119.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    88.37 : 132.27 = 79.95 : x
  2. Step 2: Convert to fraction form
    88.37/132.27 = 79.95/x
  3. Step 3: Cross multiply
    88.37x = 132.27 × 79.95
  4. Step 4: Simplify right side
    88.37x = 10,574.59
  5. Step 5: Solve for x
    x = 10,574.59/88.37
  6. Step 6: Final answer
    x = 119.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.