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Finding the Fourth Proportional to 533.61, 736.39 and 297.58

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Solution

The fourth proportional to 533.61, 736.39 and 297.58 is: 410.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    533.61 : 736.39 = 297.58 : x
  2. Step 2: Convert to fraction form
    533.61/736.39 = 297.58/x
  3. Step 3: Cross multiply
    533.61x = 736.39 × 297.58
  4. Step 4: Simplify right side
    533.61x = 219,131.61
  5. Step 5: Solve for x
    x = 219,131.61/533.61
  6. Step 6: Final answer
    x = 410.66

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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.