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Finding the Fourth Proportional to 615.37, 849.19 and 335.60

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Solution

The fourth proportional to 615.37, 849.19 and 335.60 is: 463.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    615.37 : 849.19 = 335.60 : x
  2. Step 2: Convert to fraction form
    615.37/849.19 = 335.60/x
  3. Step 3: Cross multiply
    615.37x = 849.19 × 335.60
  4. Step 4: Simplify right side
    615.37x = 284,988.16
  5. Step 5: Solve for x
    x = 284,988.16/615.37
  6. Step 6: Final answer
    x = 463.12

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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.