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Finding the Fourth Proportional to 533.94, 737.19 and 409.38

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Solution

The fourth proportional to 533.94, 737.19 and 409.38 is: 565.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    533.94 : 737.19 = 409.38 : x
  2. Step 2: Convert to fraction form
    533.94/737.19 = 409.38/x
  3. Step 3: Cross multiply
    533.94x = 737.19 × 409.38
  4. Step 4: Simplify right side
    533.94x = 301,788.08
  5. Step 5: Solve for x
    x = 301,788.08/533.94
  6. Step 6: Final answer
    x = 565.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.