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Finding the Fourth Proportional to 537.79, 742.16 and 301.73

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Solution

The fourth proportional to 537.79, 742.16 and 301.73 is: 416.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    537.79 : 742.16 = 301.73 : x
  2. Step 2: Convert to fraction form
    537.79/742.16 = 301.73/x
  3. Step 3: Cross multiply
    537.79x = 742.16 × 301.73
  4. Step 4: Simplify right side
    537.79x = 223,931.94
  5. Step 5: Solve for x
    x = 223,931.94/537.79
  6. Step 6: Final answer
    x = 416.39

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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.