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Finding the Fourth Proportional to 109.33, 151.01 and 95.47

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Solution

The fourth proportional to 109.33, 151.01 and 95.47 is: 131.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    109.33 : 151.01 = 95.47 : x
  2. Step 2: Convert to fraction form
    109.33/151.01 = 95.47/x
  3. Step 3: Cross multiply
    109.33x = 151.01 × 95.47
  4. Step 4: Simplify right side
    109.33x = 14,416.92
  5. Step 5: Solve for x
    x = 14,416.92/109.33
  6. Step 6: Final answer
    x = 131.87

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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.