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Finding the Fourth Proportional to 441.12, 608.93 and 336.21

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Solution

The fourth proportional to 441.12, 608.93 and 336.21 is: 464.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    441.12 : 608.93 = 336.21 : x
  2. Step 2: Convert to fraction form
    441.12/608.93 = 336.21/x
  3. Step 3: Cross multiply
    441.12x = 608.93 × 336.21
  4. Step 4: Simplify right side
    441.12x = 204,728.36
  5. Step 5: Solve for x
    x = 204,728.36/441.12
  6. Step 6: Final answer
    x = 464.11

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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.