Finding the Fourth Proportional to 376.18, 518.96 and 226.74
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Solution
The fourth proportional to 376.18, 518.96 and 226.74 is: 312.80
Step by Step Solution
- Step 1: Write the proportion equation
376.18 : 518.96 = 226.74 : x - Step 2: Convert to fraction form
376.18/518.96 = 226.74/x - Step 3: Cross multiply
376.18x = 518.96 × 226.74 - Step 4: Simplify right side
376.18x = 117,668.99 - Step 5: Solve for x
x = 117,668.99/376.18 - Step 6: Final answer
x = 312.80
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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.