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Finding the Fourth Proportional to 616.37, 850.59 and 336.61

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Solution

The fourth proportional to 616.37, 850.59 and 336.61 is: 464.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    616.37 : 850.59 = 336.61 : x
  2. Step 2: Convert to fraction form
    616.37/850.59 = 336.61/x
  3. Step 3: Cross multiply
    616.37x = 850.59 × 336.61
  4. Step 4: Simplify right side
    616.37x = 286,316.38
  5. Step 5: Solve for x
    x = 286,316.38/616.37
  6. Step 6: Final answer
    x = 464.52

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Double scale
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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.