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Finding the Fourth Proportional to 533.39, 799.62 and 348.45

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Solution

The fourth proportional to 533.39, 799.62 and 348.45 is: 522.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    533.39 : 799.62 = 348.45 : x
  2. Step 2: Convert to fraction form
    533.39/799.62 = 348.45/x
  3. Step 3: Cross multiply
    533.39x = 799.62 × 348.45
  4. Step 4: Simplify right side
    533.39x = 278,627.59
  5. Step 5: Solve for x
    x = 278,627.59/533.39
  6. Step 6: Final answer
    x = 522.38

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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.