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Finding the Fourth Proportional to 361.16, 540.79 and 303.24

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Solution

The fourth proportional to 361.16, 540.79 and 303.24 is: 454.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    361.16 : 540.79 = 303.24 : x
  2. Step 2: Convert to fraction form
    361.16/540.79 = 303.24/x
  3. Step 3: Cross multiply
    361.16x = 540.79 × 303.24
  4. Step 4: Simplify right side
    361.16x = 163,989.16
  5. Step 5: Solve for x
    x = 163,989.16/361.16
  6. Step 6: Final answer
    x = 454.06

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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.