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Finding the Fourth Proportional to 533.65, 799.03 and 276.61

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Solution

The fourth proportional to 533.65, 799.03 and 276.61 is: 414.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    533.65 : 799.03 = 276.61 : x
  2. Step 2: Convert to fraction form
    533.65/799.03 = 276.61/x
  3. Step 3: Cross multiply
    533.65x = 799.03 × 276.61
  4. Step 4: Simplify right side
    533.65x = 221,019.69
  5. Step 5: Solve for x
    x = 221,019.69/533.65
  6. Step 6: Final answer
    x = 414.17

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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.