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Finding the Fourth Proportional to 34.29, 51.12 and 32.82

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Solution

The fourth proportional to 34.29, 51.12 and 32.82 is: 48.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    34.29 : 51.12 = 32.82 : x
  2. Step 2: Convert to fraction form
    34.29/51.12 = 32.82/x
  3. Step 3: Cross multiply
    34.29x = 51.12 × 32.82
  4. Step 4: Simplify right side
    34.29x = 1,677.76
  5. Step 5: Solve for x
    x = 1,677.76/34.29
  6. Step 6: Final answer
    x = 48.93

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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.