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Finding the Fourth Proportional to 150.47, 207.66 and 95.22

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Solution

The fourth proportional to 150.47, 207.66 and 95.22 is: 131.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    150.47 : 207.66 = 95.22 : x
  2. Step 2: Convert to fraction form
    150.47/207.66 = 95.22/x
  3. Step 3: Cross multiply
    150.47x = 207.66 × 95.22
  4. Step 4: Simplify right side
    150.47x = 19,773.39
  5. Step 5: Solve for x
    x = 19,773.39/150.47
  6. Step 6: Final answer
    x = 131.42

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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.