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Finding the Fourth Proportional to 6.07, 9.15 and 5.66

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Solution

The fourth proportional to 6.07, 9.15 and 5.66 is: 8.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6.07 : 9.15 = 5.66 : x
  2. Step 2: Convert to fraction form
    6.07/9.15 = 5.66/x
  3. Step 3: Cross multiply
    6.07x = 9.15 × 5.66
  4. Step 4: Simplify right side
    6.07x = 51.72
  5. Step 5: Solve for x
    x = 51.72/6.07
  6. Step 6: Final answer
    x = 8.52

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.