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Finding the Fourth Proportional to 605.02, 906.72 and 361.62

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Solution

The fourth proportional to 605.02, 906.72 and 361.62 is: 541.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    605.02 : 906.72 = 361.62 : x
  2. Step 2: Convert to fraction form
    605.02/906.72 = 361.62/x
  3. Step 3: Cross multiply
    605.02x = 906.72 × 361.62
  4. Step 4: Simplify right side
    605.02x = 327,888.09
  5. Step 5: Solve for x
    x = 327,888.09/605.02
  6. Step 6: Final answer
    x = 541.95

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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.