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Finding the Fourth Proportional to 150.94, 225.71 and 109.93

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Solution

The fourth proportional to 150.94, 225.71 and 109.93 is: 164.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    150.94 : 225.71 = 109.93 : x
  2. Step 2: Convert to fraction form
    150.94/225.71 = 109.93/x
  3. Step 3: Cross multiply
    150.94x = 225.71 × 109.93
  4. Step 4: Simplify right side
    150.94x = 24,811.75
  5. Step 5: Solve for x
    x = 24,811.75/150.94
  6. Step 6: Final answer
    x = 164.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.