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Finding the Fourth Proportional to 10.27, 14.14 and 7.53

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Solution

The fourth proportional to 10.27, 14.14 and 7.53 is: 10.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10.27 : 14.14 = 7.53 : x
  2. Step 2: Convert to fraction form
    10.27/14.14 = 7.53/x
  3. Step 3: Cross multiply
    10.27x = 14.14 × 7.53
  4. Step 4: Simplify right side
    10.27x = 106.47
  5. Step 5: Solve for x
    x = 106.47/10.27
  6. Step 6: Final answer
    x = 10.37

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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.