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Finding the Fourth Proportional to 537.84, 799.52 and 521.44

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Solution

The fourth proportional to 537.84, 799.52 and 521.44 is: 775.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    537.84 : 799.52 = 521.44 : x
  2. Step 2: Convert to fraction form
    537.84/799.52 = 521.44/x
  3. Step 3: Cross multiply
    537.84x = 799.52 × 521.44
  4. Step 4: Simplify right side
    537.84x = 416,901.71
  5. Step 5: Solve for x
    x = 416,901.71/537.84
  6. Step 6: Final answer
    x = 775.14

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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.