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Finding the Fourth Proportional to 46.33, 69.49 and 34.06

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Solution

The fourth proportional to 46.33, 69.49 and 34.06 is: 51.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.33 : 69.49 = 34.06 : x
  2. Step 2: Convert to fraction form
    46.33/69.49 = 34.06/x
  3. Step 3: Cross multiply
    46.33x = 69.49 × 34.06
  4. Step 4: Simplify right side
    46.33x = 2,366.83
  5. Step 5: Solve for x
    x = 2,366.83/46.33
  6. Step 6: Final answer
    x = 51.09

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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.