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Finding the Fourth Proportional to 7.07, 10.54 and 5.99

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Solution

The fourth proportional to 7.07, 10.54 and 5.99 is: 8.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7.07 : 10.54 = 5.99 : x
  2. Step 2: Convert to fraction form
    7.07/10.54 = 5.99/x
  3. Step 3: Cross multiply
    7.07x = 10.54 × 5.99
  4. Step 4: Simplify right side
    7.07x = 63.13
  5. Step 5: Solve for x
    x = 63.13/7.07
  6. Step 6: Final answer
    x = 8.93

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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.