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Finding the Fourth Proportional to 615.98, 850.26 and 367.38

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Solution

The fourth proportional to 615.98, 850.26 and 367.38 is: 507.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    615.98 : 850.26 = 367.38 : x
  2. Step 2: Convert to fraction form
    615.98/850.26 = 367.38/x
  3. Step 3: Cross multiply
    615.98x = 850.26 × 367.38
  4. Step 4: Simplify right side
    615.98x = 312,368.52
  5. Step 5: Solve for x
    x = 312,368.52/615.98
  6. Step 6: Final answer
    x = 507.11

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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.