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Finding the Fourth Proportional to 179.01, 246.65 and 146.21

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Solution

The fourth proportional to 179.01, 246.65 and 146.21 is: 201.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    179.01 : 246.65 = 146.21 : x
  2. Step 2: Convert to fraction form
    179.01/246.65 = 146.21/x
  3. Step 3: Cross multiply
    179.01x = 246.65 × 146.21
  4. Step 4: Simplify right side
    179.01x = 36,060.73
  5. Step 5: Solve for x
    x = 36,060.73/179.01
  6. Step 6: Final answer
    x = 201.45

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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.