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Finding the Fourth Proportional to 533.44, 799.68 and 340.48

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Solution

The fourth proportional to 533.44, 799.68 and 340.48 is: 510.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    533.44 : 799.68 = 340.48 : x
  2. Step 2: Convert to fraction form
    533.44/799.68 = 340.48/x
  3. Step 3: Cross multiply
    533.44x = 799.68 × 340.48
  4. Step 4: Simplify right side
    533.44x = 272,275.05
  5. Step 5: Solve for x
    x = 272,275.05/533.44
  6. Step 6: Final answer
    x = 510.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.