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Finding the Fourth Proportional to 34.05, 51.28 and 32.02

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Solution

The fourth proportional to 34.05, 51.28 and 32.02 is: 48.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    34.05 : 51.28 = 32.02 : x
  2. Step 2: Convert to fraction form
    34.05/51.28 = 32.02/x
  3. Step 3: Cross multiply
    34.05x = 51.28 × 32.02
  4. Step 4: Simplify right side
    34.05x = 1,641.99
  5. Step 5: Solve for x
    x = 1,641.99/34.05
  6. Step 6: Final answer
    x = 48.22

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.