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Finding the Fourth Proportional to 533.06, 800.04 and 208.65

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Solution

The fourth proportional to 533.06, 800.04 and 208.65 is: 313.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    533.06 : 800.04 = 208.65 : x
  2. Step 2: Convert to fraction form
    533.06/800.04 = 208.65/x
  3. Step 3: Cross multiply
    533.06x = 800.04 × 208.65
  4. Step 4: Simplify right side
    533.06x = 166,928.35
  5. Step 5: Solve for x
    x = 166,928.35/533.06
  6. Step 6: Final answer
    x = 313.15

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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.