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Finding the Fourth Proportional to 533.87, 736.45 and 368.17

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Solution

The fourth proportional to 533.87, 736.45 and 368.17 is: 507.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    533.87 : 736.45 = 368.17 : x
  2. Step 2: Convert to fraction form
    533.87/736.45 = 368.17/x
  3. Step 3: Cross multiply
    533.87x = 736.45 × 368.17
  4. Step 4: Simplify right side
    533.87x = 271,138.80
  5. Step 5: Solve for x
    x = 271,138.80/533.87
  6. Step 6: Final answer
    x = 507.87

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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.