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Finding the Fourth Proportional to 533.64, 736.20 and 359.04

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Solution

The fourth proportional to 533.64, 736.20 and 359.04 is: 495.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    533.64 : 736.20 = 359.04 : x
  2. Step 2: Convert to fraction form
    533.64/736.20 = 359.04/x
  3. Step 3: Cross multiply
    533.64x = 736.20 × 359.04
  4. Step 4: Simplify right side
    533.64x = 264,325.25
  5. Step 5: Solve for x
    x = 264,325.25/533.64
  6. Step 6: Final answer
    x = 495.33

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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.