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Finding the Fourth Proportional to 533.34, 736.16 and 323.52

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Solution

The fourth proportional to 533.34, 736.16 and 323.52 is: 446.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    533.34 : 736.16 = 323.52 : x
  2. Step 2: Convert to fraction form
    533.34/736.16 = 323.52/x
  3. Step 3: Cross multiply
    533.34x = 736.16 × 323.52
  4. Step 4: Simplify right side
    533.34x = 238,162.48
  5. Step 5: Solve for x
    x = 238,162.48/533.34
  6. Step 6: Final answer
    x = 446.55

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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.