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Finding the Fourth Proportional to 240.91, 361.52 and 96.63

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Solution

The fourth proportional to 240.91, 361.52 and 96.63 is: 145.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    240.91 : 361.52 = 96.63 : x
  2. Step 2: Convert to fraction form
    240.91/361.52 = 96.63/x
  3. Step 3: Cross multiply
    240.91x = 361.52 × 96.63
  4. Step 4: Simplify right side
    240.91x = 34,933.68
  5. Step 5: Solve for x
    x = 34,933.68/240.91
  6. Step 6: Final answer
    x = 145.01

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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.