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Finding the Fourth Proportional to 88, 131.94 and 27.10

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Solution

The fourth proportional to 88, 131.94 and 27.10 is: 40.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    88 : 131.94 = 27.10 : x
  2. Step 2: Convert to fraction form
    88/131.94 = 27.10/x
  3. Step 3: Cross multiply
    88x = 131.94 × 27.10
  4. Step 4: Simplify right side
    88x = 3,574.78
  5. Step 5: Solve for x
    x = 3,574.78/88
  6. Step 6: Final answer
    x = 40.62

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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.