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Finding the Fourth Proportional to 615.95, 849.93 and 350.35

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Solution

The fourth proportional to 615.95, 849.93 and 350.35 is: 483.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    615.95 : 849.93 = 350.35 : x
  2. Step 2: Convert to fraction form
    615.95/849.93 = 350.35/x
  3. Step 3: Cross multiply
    615.95x = 849.93 × 350.35
  4. Step 4: Simplify right side
    615.95x = 297,770.85
  5. Step 5: Solve for x
    x = 297,770.85/615.95
  6. Step 6: Final answer
    x = 483.43

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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.