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Finding the Fourth Proportional to 615.24, 849.06 and 363.31

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Solution

The fourth proportional to 615.24, 849.06 and 363.31 is: 501.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    615.24 : 849.06 = 363.31 : x
  2. Step 2: Convert to fraction form
    615.24/849.06 = 363.31/x
  3. Step 3: Cross multiply
    615.24x = 849.06 × 363.31
  4. Step 4: Simplify right side
    615.24x = 308,469.87
  5. Step 5: Solve for x
    x = 308,469.87/615.24
  6. Step 6: Final answer
    x = 501.38

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1.5x scale

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.