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Finding the Fourth Proportional to 624.96, 937.98 and 336.60

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Solution

The fourth proportional to 624.96, 937.98 and 336.60 is: 505.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    624.96 : 937.98 = 336.60 : x
  2. Step 2: Convert to fraction form
    624.96/937.98 = 336.60/x
  3. Step 3: Cross multiply
    624.96x = 937.98 × 336.60
  4. Step 4: Simplify right side
    624.96x = 315,724.07
  5. Step 5: Solve for x
    x = 315,724.07/624.96
  6. Step 6: Final answer
    x = 505.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.