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Finding the Fourth Proportional to 39.50, 58.97 and 34.95

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Solution

The fourth proportional to 39.50, 58.97 and 34.95 is: 52.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    39.50 : 58.97 = 34.95 : x
  2. Step 2: Convert to fraction form
    39.50/58.97 = 34.95/x
  3. Step 3: Cross multiply
    39.50x = 58.97 × 34.95
  4. Step 4: Simplify right side
    39.50x = 2,060.83
  5. Step 5: Solve for x
    x = 2,060.83/39.50
  6. Step 6: Final answer
    x = 52.17

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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.