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Finding the Fourth Proportional to 533.12, 795.82 and 451.20

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Solution

The fourth proportional to 533.12, 795.82 and 451.20 is: 673.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    533.12 : 795.82 = 451.20 : x
  2. Step 2: Convert to fraction form
    533.12/795.82 = 451.20/x
  3. Step 3: Cross multiply
    533.12x = 795.82 × 451.20
  4. Step 4: Simplify right side
    533.12x = 359,073.98
  5. Step 5: Solve for x
    x = 359,073.98/533.12
  6. Step 6: Final answer
    x = 673.53

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.