Finding the Fourth Proportional to 343.99, 515.30 and 206.96
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Solution
The fourth proportional to 343.99, 515.30 and 206.96 is: 310.03
Step by Step Solution
- Step 1: Write the proportion equation
343.99 : 515.30 = 206.96 : x - Step 2: Convert to fraction form
343.99/515.30 = 206.96/x - Step 3: Cross multiply
343.99x = 515.30 × 206.96 - Step 4: Simplify right side
343.99x = 106,647.26 - Step 5: Solve for x
x = 106,647.26/343.99 - Step 6: Final answer
x = 310.03
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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.