Finding the Fourth Proportional to 743.94, 1,115.91 and 333
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Solution
The fourth proportional to 743.94, 1,115.91 and 333 is: 499.50
Step by Step Solution
- Step 1: Write the proportion equation
743.94 : 1,115.91 = 333 : x - Step 2: Convert to fraction form
743.94/1,115.91 = 333/x - Step 3: Cross multiply
743.94x = 1,115.91 × 333 - Step 4: Simplify right side
743.94x = 371,598.03 - Step 5: Solve for x
x = 371,598.03/743.94 - Step 6: Final answer
x = 499.50
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Similar ratio
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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.