Finding the Fourth Proportional to 366.36, 505.53 and 218.99
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Solution
The fourth proportional to 366.36, 505.53 and 218.99 is: 302.17
Step by Step Solution
- Step 1: Write the proportion equation
366.36 : 505.53 = 218.99 : x - Step 2: Convert to fraction form
366.36/505.53 = 218.99/x - Step 3: Cross multiply
366.36x = 505.53 × 218.99 - Step 4: Simplify right side
366.36x = 110,703.49 - Step 5: Solve for x
x = 110,703.49/366.36 - Step 6: Final answer
x = 302.17
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.