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Finding the Fourth Proportional to 67.46, 93.09 and 37.95

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Solution

The fourth proportional to 67.46, 93.09 and 37.95 is: 52.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    67.46 : 93.09 = 37.95 : x
  2. Step 2: Convert to fraction form
    67.46/93.09 = 37.95/x
  3. Step 3: Cross multiply
    67.46x = 93.09 × 37.95
  4. Step 4: Simplify right side
    67.46x = 3,533.09
  5. Step 5: Solve for x
    x = 3,533.09/67.46
  6. Step 6: Final answer
    x = 52.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.