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Finding the Fourth Proportional to 296.25, 444.38 and 103.88

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Solution

The fourth proportional to 296.25, 444.38 and 103.88 is: 155.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    296.25 : 444.38 = 103.88 : x
  2. Step 2: Convert to fraction form
    296.25/444.38 = 103.88/x
  3. Step 3: Cross multiply
    296.25x = 444.38 × 103.88
  4. Step 4: Simplify right side
    296.25x = 46,159.45
  5. Step 5: Solve for x
    x = 46,159.45/296.25
  6. Step 6: Final answer
    x = 155.81

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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.