Finding the Fourth Proportional to 193.95, 290.99 and 180.18
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Solution
The fourth proportional to 193.95, 290.99 and 180.18 is: 270.33
Step by Step Solution
- Step 1: Write the proportion equation
193.95 : 290.99 = 180.18 : x - Step 2: Convert to fraction form
193.95/290.99 = 180.18/x - Step 3: Cross multiply
193.95x = 290.99 × 180.18 - Step 4: Simplify right side
193.95x = 52,431.03 - Step 5: Solve for x
x = 52,431.03/193.95 - Step 6: Final answer
x = 270.33
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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.