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Finding the Fourth Proportional to 296.09, 444.08 and 103.71

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Solution

The fourth proportional to 296.09, 444.08 and 103.71 is: 155.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    296.09 : 444.08 = 103.71 : x
  2. Step 2: Convert to fraction form
    296.09/444.08 = 103.71/x
  3. Step 3: Cross multiply
    296.09x = 444.08 × 103.71
  4. Step 4: Simplify right side
    296.09x = 46,055.80
  5. Step 5: Solve for x
    x = 46,055.80/296.09
  6. Step 6: Final answer
    x = 155.55

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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.