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Finding the Fourth Proportional to 64.35, 88.83 and 44.73

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Solution

The fourth proportional to 64.35, 88.83 and 44.73 is: 61.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    64.35 : 88.83 = 44.73 : x
  2. Step 2: Convert to fraction form
    64.35/88.83 = 44.73/x
  3. Step 3: Cross multiply
    64.35x = 88.83 × 44.73
  4. Step 4: Simplify right side
    64.35x = 3,973.37
  5. Step 5: Solve for x
    x = 3,973.37/64.35
  6. Step 6: Final answer
    x = 61.75

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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.