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Finding the Fourth Proportional to 533.99, 736.57 and 344.86

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Solution

The fourth proportional to 533.99, 736.57 and 344.86 is: 475.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    533.99 : 736.57 = 344.86 : x
  2. Step 2: Convert to fraction form
    533.99/736.57 = 344.86/x
  3. Step 3: Cross multiply
    533.99x = 736.57 × 344.86
  4. Step 4: Simplify right side
    533.99x = 254,015.80
  5. Step 5: Solve for x
    x = 254,015.80/533.99
  6. Step 6: Final answer
    x = 475.70

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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.