Finding the Fourth Proportional to 366.41, 505.70 and 218.99
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Solution
The fourth proportional to 366.41, 505.70 and 218.99 is: 302.23
Step by Step Solution
- Step 1: Write the proportion equation
366.41 : 505.70 = 218.99 : x - Step 2: Convert to fraction form
366.41/505.70 = 218.99/x - Step 3: Cross multiply
366.41x = 505.70 × 218.99 - Step 4: Simplify right side
366.41x = 110,739.62 - Step 5: Solve for x
x = 110,739.62/366.41 - Step 6: Final answer
x = 302.23
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.