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Finding the Fourth Proportional to 65.00, 96.73 and 63.79

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Solution

The fourth proportional to 65.00, 96.73 and 63.79 is: 94.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    65.00 : 96.73 = 63.79 : x
  2. Step 2: Convert to fraction form
    65.00/96.73 = 63.79/x
  3. Step 3: Cross multiply
    65.00x = 96.73 × 63.79
  4. Step 4: Simplify right side
    65.00x = 6,170.01
  5. Step 5: Solve for x
    x = 6,170.01/65.00
  6. Step 6: Final answer
    x = 94.92

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.