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Finding the Fourth Proportional to 538.88, 743.72 and 364.59

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Solution

The fourth proportional to 538.88, 743.72 and 364.59 is: 503.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    538.88 : 743.72 = 364.59 : x
  2. Step 2: Convert to fraction form
    538.88/743.72 = 364.59/x
  3. Step 3: Cross multiply
    538.88x = 743.72 × 364.59
  4. Step 4: Simplify right side
    538.88x = 271,151.05
  5. Step 5: Solve for x
    x = 271,151.05/538.88
  6. Step 6: Final answer
    x = 503.18

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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.