Finding the Fourth Proportional to 217.68, 299.99 and 170.94
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Solution
The fourth proportional to 217.68, 299.99 and 170.94 is: 235.57
Step by Step Solution
- Step 1: Write the proportion equation
217.68 : 299.99 = 170.94 : x - Step 2: Convert to fraction form
217.68/299.99 = 170.94/x - Step 3: Cross multiply
217.68x = 299.99 × 170.94 - Step 4: Simplify right side
217.68x = 51,279.44 - Step 5: Solve for x
x = 51,279.44/217.68 - Step 6: Final answer
x = 235.57
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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.