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Finding the Fourth Proportional to 69.01, 95.24 and 65.27

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Solution

The fourth proportional to 69.01, 95.24 and 65.27 is: 90.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    69.01 : 95.24 = 65.27 : x
  2. Step 2: Convert to fraction form
    69.01/95.24 = 65.27/x
  3. Step 3: Cross multiply
    69.01x = 95.24 × 65.27
  4. Step 4: Simplify right side
    69.01x = 6,216.72
  5. Step 5: Solve for x
    x = 6,216.72/69.01
  6. Step 6: Final answer
    x = 90.09

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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.