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Finding the Fourth Proportional to 533.88, 736.78 and 301.02

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Solution

The fourth proportional to 533.88, 736.78 and 301.02 is: 415.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    533.88 : 736.78 = 301.02 : x
  2. Step 2: Convert to fraction form
    533.88/736.78 = 301.02/x
  3. Step 3: Cross multiply
    533.88x = 736.78 × 301.02
  4. Step 4: Simplify right side
    533.88x = 221,785.52
  5. Step 5: Solve for x
    x = 221,785.52/533.88
  6. Step 6: Final answer
    x = 415.42

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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.