Finding the Fourth Proportional to 144.26, 199.08 and 88.99
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Solution
The fourth proportional to 144.26, 199.08 and 88.99 is: 122.80
Step by Step Solution
- Step 1: Write the proportion equation
144.26 : 199.08 = 88.99 : x - Step 2: Convert to fraction form
144.26/199.08 = 88.99/x - Step 3: Cross multiply
144.26x = 199.08 × 88.99 - Step 4: Simplify right side
144.26x = 17,715.13 - Step 5: Solve for x
x = 17,715.13/144.26 - Step 6: Final answer
x = 122.80
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.