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Finding the Fourth Proportional to 544.69, 817.62 and 301.42

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Solution

The fourth proportional to 544.69, 817.62 and 301.42 is: 452.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    544.69 : 817.62 = 301.42 : x
  2. Step 2: Convert to fraction form
    544.69/817.62 = 301.42/x
  3. Step 3: Cross multiply
    544.69x = 817.62 × 301.42
  4. Step 4: Simplify right side
    544.69x = 246,441.43
  5. Step 5: Solve for x
    x = 246,441.43/544.69
  6. Step 6: Final answer
    x = 452.45

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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.