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Finding the Fourth Proportional to 544.40, 751.38 and 357.92

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Solution

The fourth proportional to 544.40, 751.38 and 357.92 is: 494.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    544.40 : 751.38 = 357.92 : x
  2. Step 2: Convert to fraction form
    544.40/751.38 = 357.92/x
  3. Step 3: Cross multiply
    544.40x = 751.38 × 357.92
  4. Step 4: Simplify right side
    544.40x = 268,933.93
  5. Step 5: Solve for x
    x = 268,933.93/544.40
  6. Step 6: Final answer
    x = 494.00

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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.