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Finding the Fourth Proportional to 246.77, 369.90 and 144.25

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Solution

The fourth proportional to 246.77, 369.90 and 144.25 is: 216.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.77 : 369.90 = 144.25 : x
  2. Step 2: Convert to fraction form
    246.77/369.90 = 144.25/x
  3. Step 3: Cross multiply
    246.77x = 369.90 × 144.25
  4. Step 4: Simplify right side
    246.77x = 53,358.08
  5. Step 5: Solve for x
    x = 53,358.08/246.77
  6. Step 6: Final answer
    x = 216.23

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