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Finding the Fourth Proportional to 34.29, 46.98 and 33.30

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Solution

The fourth proportional to 34.29, 46.98 and 33.30 is: 45.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    34.29 : 46.98 = 33.30 : x
  2. Step 2: Convert to fraction form
    34.29/46.98 = 33.30/x
  3. Step 3: Cross multiply
    34.29x = 46.98 × 33.30
  4. Step 4: Simplify right side
    34.29x = 1,564.43
  5. Step 5: Solve for x
    x = 1,564.43/34.29
  6. Step 6: Final answer
    x = 45.62

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.