Finding the Fourth Proportional to 144.99, 199.74 and 119.99
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Solution
The fourth proportional to 144.99, 199.74 and 119.99 is: 165.30
Step by Step Solution
- Step 1: Write the proportion equation
144.99 : 199.74 = 119.99 : x - Step 2: Convert to fraction form
144.99/199.74 = 119.99/x - Step 3: Cross multiply
144.99x = 199.74 × 119.99 - Step 4: Simplify right side
144.99x = 23,966.30 - Step 5: Solve for x
x = 23,966.30/144.99 - Step 6: Final answer
x = 165.30
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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.