Finding the Fourth Proportional to 709.99, 1,063.26 and 344.99
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Solution
The fourth proportional to 709.99, 1,063.26 and 344.99 is: 516.65
Step by Step Solution
- Step 1: Write the proportion equation
709.99 : 1,063.26 = 344.99 : x - Step 2: Convert to fraction form
709.99/1,063.26 = 344.99/x - Step 3: Cross multiply
709.99x = 1,063.26 × 344.99 - Step 4: Simplify right side
709.99x = 366,816.73 - Step 5: Solve for x
x = 366,816.73/709.99 - Step 6: Final answer
x = 516.65
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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.