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Finding the Fourth Proportional to 544.20, 751.26 and 357.96

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Solution

The fourth proportional to 544.20, 751.26 and 357.96 is: 494.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    544.20 : 751.26 = 357.96 : x
  2. Step 2: Convert to fraction form
    544.20/751.26 = 357.96/x
  3. Step 3: Cross multiply
    544.20x = 751.26 × 357.96
  4. Step 4: Simplify right side
    544.20x = 268,921.03
  5. Step 5: Solve for x
    x = 268,921.03/544.20
  6. Step 6: Final answer
    x = 494.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.