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Finding the Fourth Proportional to 68.03, 93.83 and 44.70

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Solution

The fourth proportional to 68.03, 93.83 and 44.70 is: 61.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    68.03 : 93.83 = 44.70 : x
  2. Step 2: Convert to fraction form
    68.03/93.83 = 44.70/x
  3. Step 3: Cross multiply
    68.03x = 93.83 × 44.70
  4. Step 4: Simplify right side
    68.03x = 4,194.53
  5. Step 5: Solve for x
    x = 4,194.53/68.03
  6. Step 6: Final answer
    x = 61.66

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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.