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Finding the Fourth Proportional to 544.14, 815.96 and 270.12

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Solution

The fourth proportional to 544.14, 815.96 and 270.12 is: 405.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    544.14 : 815.96 = 270.12 : x
  2. Step 2: Convert to fraction form
    544.14/815.96 = 270.12/x
  3. Step 3: Cross multiply
    544.14x = 815.96 × 270.12
  4. Step 4: Simplify right side
    544.14x = 220,407.12
  5. Step 5: Solve for x
    x = 220,407.12/544.14
  6. Step 6: Final answer
    x = 405.06

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Double scale
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Similar ratio
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1.5x scale

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.