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Finding the Fourth Proportional to 46.99, 70.51 and 33.57

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Solution

The fourth proportional to 46.99, 70.51 and 33.57 is: 50.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.99 : 70.51 = 33.57 : x
  2. Step 2: Convert to fraction form
    46.99/70.51 = 33.57/x
  3. Step 3: Cross multiply
    46.99x = 70.51 × 33.57
  4. Step 4: Simplify right side
    46.99x = 2,367.11
  5. Step 5: Solve for x
    x = 2,367.11/46.99
  6. Step 6: Final answer
    x = 50.37

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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.