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Finding the Fourth Proportional to 444.79, 613.71 and 303.04

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Solution

The fourth proportional to 444.79, 613.71 and 303.04 is: 418.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    444.79 : 613.71 = 303.04 : x
  2. Step 2: Convert to fraction form
    444.79/613.71 = 303.04/x
  3. Step 3: Cross multiply
    444.79x = 613.71 × 303.04
  4. Step 4: Simplify right side
    444.79x = 185,978.68
  5. Step 5: Solve for x
    x = 185,978.68/444.79
  6. Step 6: Final answer
    x = 418.13

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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.