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Finding the Fourth Proportional to 68.84, 95.04 and 49.27

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Solution

The fourth proportional to 68.84, 95.04 and 49.27 is: 68.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    68.84 : 95.04 = 49.27 : x
  2. Step 2: Convert to fraction form
    68.84/95.04 = 49.27/x
  3. Step 3: Cross multiply
    68.84x = 95.04 × 49.27
  4. Step 4: Simplify right side
    68.84x = 4,682.62
  5. Step 5: Solve for x
    x = 4,682.62/68.84
  6. Step 6: Final answer
    x = 68.02

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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.