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Finding the Fourth Proportional to 533.95, 801.43 and 328.92

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Solution

The fourth proportional to 533.95, 801.43 and 328.92 is: 493.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    533.95 : 801.43 = 328.92 : x
  2. Step 2: Convert to fraction form
    533.95/801.43 = 328.92/x
  3. Step 3: Cross multiply
    533.95x = 801.43 × 328.92
  4. Step 4: Simplify right side
    533.95x = 263,604.71
  5. Step 5: Solve for x
    x = 263,604.71/533.95
  6. Step 6: Final answer
    x = 493.69

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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.