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Finding the Fourth Proportional to 64.04, 95.93 and 54.79

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Solution

The fourth proportional to 64.04, 95.93 and 54.79 is: 82.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    64.04 : 95.93 = 54.79 : x
  2. Step 2: Convert to fraction form
    64.04/95.93 = 54.79/x
  3. Step 3: Cross multiply
    64.04x = 95.93 × 54.79
  4. Step 4: Simplify right side
    64.04x = 5,255.73
  5. Step 5: Solve for x
    x = 5,255.73/64.04
  6. Step 6: Final answer
    x = 82.07

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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.