Finding the Fourth Proportional to 343.24, 514.93 and 126.81
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Solution
The fourth proportional to 343.24, 514.93 and 126.81 is: 190.25
Step by Step Solution
- Step 1: Write the proportion equation
343.24 : 514.93 = 126.81 : x - Step 2: Convert to fraction form
343.24/514.93 = 126.81/x - Step 3: Cross multiply
343.24x = 514.93 × 126.81 - Step 4: Simplify right side
343.24x = 65,299.24 - Step 5: Solve for x
x = 65,299.24/343.24 - Step 6: Final answer
x = 190.25
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.