Finding the Fourth Proportional to 764.93, 1,147.45 and 244.99
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Solution
The fourth proportional to 764.93, 1,147.45 and 244.99 is: 367.51
Step by Step Solution
- Step 1: Write the proportion equation
764.93 : 1,147.45 = 244.99 : x - Step 2: Convert to fraction form
764.93/1,147.45 = 244.99/x - Step 3: Cross multiply
764.93x = 1,147.45 × 244.99 - Step 4: Simplify right side
764.93x = 281,115.06 - Step 5: Solve for x
x = 281,115.06/764.93 - Step 6: Final answer
x = 367.51
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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.