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Finding the Fourth Proportional to 444.36, 613.08 and 296.76

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Solution

The fourth proportional to 444.36, 613.08 and 296.76 is: 409.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    444.36 : 613.08 = 296.76 : x
  2. Step 2: Convert to fraction form
    444.36/613.08 = 296.76/x
  3. Step 3: Cross multiply
    444.36x = 613.08 × 296.76
  4. Step 4: Simplify right side
    444.36x = 181,937.62
  5. Step 5: Solve for x
    x = 181,937.62/444.36
  6. Step 6: Final answer
    x = 409.44

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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.