Finding the Fourth Proportional to 193.73, 290.62 and 61.99
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Solution
The fourth proportional to 193.73, 290.62 and 61.99 is: 92.99
Step by Step Solution
- Step 1: Write the proportion equation
193.73 : 290.62 = 61.99 : x - Step 2: Convert to fraction form
193.73/290.62 = 61.99/x - Step 3: Cross multiply
193.73x = 290.62 × 61.99 - Step 4: Simplify right side
193.73x = 18,015.53 - Step 5: Solve for x
x = 18,015.53/193.73 - Step 6: Final answer
x = 92.99
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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.