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Finding the Fourth Proportional to 441.28, 608.93 and 242.08

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Solution

The fourth proportional to 441.28, 608.93 and 242.08 is: 334.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    441.28 : 608.93 = 242.08 : x
  2. Step 2: Convert to fraction form
    441.28/608.93 = 242.08/x
  3. Step 3: Cross multiply
    441.28x = 608.93 × 242.08
  4. Step 4: Simplify right side
    441.28x = 147,410.45
  5. Step 5: Solve for x
    x = 147,410.45/441.28
  6. Step 6: Final answer
    x = 334.05

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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.