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Finding the Fourth Proportional to 533.04, 799.62 and 316.62

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Solution

The fourth proportional to 533.04, 799.62 and 316.62 is: 474.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    533.04 : 799.62 = 316.62 : x
  2. Step 2: Convert to fraction form
    533.04/799.62 = 316.62/x
  3. Step 3: Cross multiply
    533.04x = 799.62 × 316.62
  4. Step 4: Simplify right side
    533.04x = 253,175.68
  5. Step 5: Solve for x
    x = 253,175.68/533.04
  6. Step 6: Final answer
    x = 474.97

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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.