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Finding the Fourth Proportional to 179.94, 247.86 and 150.60

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Solution

The fourth proportional to 179.94, 247.86 and 150.60 is: 207.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    179.94 : 247.86 = 150.60 : x
  2. Step 2: Convert to fraction form
    179.94/247.86 = 150.60/x
  3. Step 3: Cross multiply
    179.94x = 247.86 × 150.60
  4. Step 4: Simplify right side
    179.94x = 37,327.72
  5. Step 5: Solve for x
    x = 37,327.72/179.94
  6. Step 6: Final answer
    x = 207.45

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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.