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Finding the Fourth Proportional to 6.50, 9.74 and 6.08

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Solution

The fourth proportional to 6.50, 9.74 and 6.08 is: 9.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6.50 : 9.74 = 6.08 : x
  2. Step 2: Convert to fraction form
    6.50/9.74 = 6.08/x
  3. Step 3: Cross multiply
    6.50x = 9.74 × 6.08
  4. Step 4: Simplify right side
    6.50x = 59.14
  5. Step 5: Solve for x
    x = 59.14/6.50
  6. Step 6: Final answer
    x = 9.09

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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.