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Finding the Fourth Proportional to 537.71, 804.54 and 355.33

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Solution

The fourth proportional to 537.71, 804.54 and 355.33 is: 531.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    537.71 : 804.54 = 355.33 : x
  2. Step 2: Convert to fraction form
    537.71/804.54 = 355.33/x
  3. Step 3: Cross multiply
    537.71x = 804.54 × 355.33
  4. Step 4: Simplify right side
    537.71x = 285,877.20
  5. Step 5: Solve for x
    x = 285,877.20/537.71
  6. Step 6: Final answer
    x = 531.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.