Finding the Fourth Proportional to 764, 1,146.01 and 243.99
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Solution
The fourth proportional to 764, 1,146.01 and 243.99 is: 365.99
Step by Step Solution
- Step 1: Write the proportion equation
764 : 1,146.01 = 243.99 : x - Step 2: Convert to fraction form
764/1,146.01 = 243.99/x - Step 3: Cross multiply
764x = 1,146.01 × 243.99 - Step 4: Simplify right side
764x = 279,614.98 - Step 5: Solve for x
x = 279,614.98/764 - Step 6: Final answer
x = 365.99
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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.