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Finding the Fourth Proportional to 137.95, 207.00 and 60.97

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Solution

The fourth proportional to 137.95, 207.00 and 60.97 is: 91.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    137.95 : 207.00 = 60.97 : x
  2. Step 2: Convert to fraction form
    137.95/207.00 = 60.97/x
  3. Step 3: Cross multiply
    137.95x = 207.00 × 60.97
  4. Step 4: Simplify right side
    137.95x = 12,619.91
  5. Step 5: Solve for x
    x = 12,619.91/137.95
  6. Step 6: Final answer
    x = 91.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.