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Finding the Fourth Proportional to 533.50, 799.87 and 359.74

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Solution

The fourth proportional to 533.50, 799.87 and 359.74 is: 539.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    533.50 : 799.87 = 359.74 : x
  2. Step 2: Convert to fraction form
    533.50/799.87 = 359.74/x
  3. Step 3: Cross multiply
    533.50x = 799.87 × 359.74
  4. Step 4: Simplify right side
    533.50x = 287,741.51
  5. Step 5: Solve for x
    x = 287,741.51/533.50
  6. Step 6: Final answer
    x = 539.34

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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.