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Finding the Fourth Proportional to 59.25, 81.73 and 46.12

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Solution

The fourth proportional to 59.25, 81.73 and 46.12 is: 63.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.25 : 81.73 = 46.12 : x
  2. Step 2: Convert to fraction form
    59.25/81.73 = 46.12/x
  3. Step 3: Cross multiply
    59.25x = 81.73 × 46.12
  4. Step 4: Simplify right side
    59.25x = 3,769.13
  5. Step 5: Solve for x
    x = 3,769.13/59.25
  6. Step 6: Final answer
    x = 63.62

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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.