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Finding the Fourth Proportional to 544.32, 811.98 and 535.68

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Solution

The fourth proportional to 544.32, 811.98 and 535.68 is: 799.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    544.32 : 811.98 = 535.68 : x
  2. Step 2: Convert to fraction form
    544.32/811.98 = 535.68/x
  3. Step 3: Cross multiply
    544.32x = 811.98 × 535.68
  4. Step 4: Simplify right side
    544.32x = 434,961.45
  5. Step 5: Solve for x
    x = 434,961.45/544.32
  6. Step 6: Final answer
    x = 799.09

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.