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Finding the Fourth Proportional to 46.34, 69.18 and 44.74

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Solution

The fourth proportional to 46.34, 69.18 and 44.74 is: 66.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.34 : 69.18 = 44.74 : x
  2. Step 2: Convert to fraction form
    46.34/69.18 = 44.74/x
  3. Step 3: Cross multiply
    46.34x = 69.18 × 44.74
  4. Step 4: Simplify right side
    46.34x = 3,095.26
  5. Step 5: Solve for x
    x = 3,095.26/46.34
  6. Step 6: Final answer
    x = 66.79

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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.