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Finding the Fourth Proportional to 34.19, 50.98 and 33.58

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Solution

The fourth proportional to 34.19, 50.98 and 33.58 is: 50.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    34.19 : 50.98 = 33.58 : x
  2. Step 2: Convert to fraction form
    34.19/50.98 = 33.58/x
  3. Step 3: Cross multiply
    34.19x = 50.98 × 33.58
  4. Step 4: Simplify right side
    34.19x = 1,711.70
  5. Step 5: Solve for x
    x = 1,711.70/34.19
  6. Step 6: Final answer
    x = 50.07

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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.