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Finding the Fourth Proportional to 539.33, 744.19 and 364.50

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Solution

The fourth proportional to 539.33, 744.19 and 364.50 is: 502.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    539.33 : 744.19 = 364.50 : x
  2. Step 2: Convert to fraction form
    539.33/744.19 = 364.50/x
  3. Step 3: Cross multiply
    539.33x = 744.19 × 364.50
  4. Step 4: Simplify right side
    539.33x = 271,256.34
  5. Step 5: Solve for x
    x = 271,256.34/539.33
  6. Step 6: Final answer
    x = 502.96

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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.