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Finding the Fourth Proportional to 533.93, 799.17 and 286.51

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Solution

The fourth proportional to 533.93, 799.17 and 286.51 is: 428.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    533.93 : 799.17 = 286.51 : x
  2. Step 2: Convert to fraction form
    533.93/799.17 = 286.51/x
  3. Step 3: Cross multiply
    533.93x = 799.17 × 286.51
  4. Step 4: Simplify right side
    533.93x = 228,970.20
  5. Step 5: Solve for x
    x = 228,970.20/533.93
  6. Step 6: Final answer
    x = 428.84

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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.