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Finding the Fourth Proportional to 533.38, 736 and 297.28

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Solution

The fourth proportional to 533.38, 736 and 297.28 is: 410.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    533.38 : 736 = 297.28 : x
  2. Step 2: Convert to fraction form
    533.38/736 = 297.28/x
  3. Step 3: Cross multiply
    533.38x = 736 × 297.28
  4. Step 4: Simplify right side
    533.38x = 218,798.08
  5. Step 5: Solve for x
    x = 218,798.08/533.38
  6. Step 6: Final answer
    x = 410.21

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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.