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Finding the Fourth Proportional to 363.53, 544.26 and 277.20

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Solution

The fourth proportional to 363.53, 544.26 and 277.20 is: 415.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    363.53 : 544.26 = 277.20 : x
  2. Step 2: Convert to fraction form
    363.53/544.26 = 277.20/x
  3. Step 3: Cross multiply
    363.53x = 544.26 × 277.20
  4. Step 4: Simplify right side
    363.53x = 150,868.87
  5. Step 5: Solve for x
    x = 150,868.87/363.53
  6. Step 6: Final answer
    x = 415.01

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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.