Finding the Fourth Proportional to 177.26, 244.62 and 115.02
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Solution
The fourth proportional to 177.26, 244.62 and 115.02 is: 158.73
Step by Step Solution
- Step 1: Write the proportion equation
177.26 : 244.62 = 115.02 : x - Step 2: Convert to fraction form
177.26/244.62 = 115.02/x - Step 3: Cross multiply
177.26x = 244.62 × 115.02 - Step 4: Simplify right side
177.26x = 28,136.19 - Step 5: Solve for x
x = 28,136.19/177.26 - Step 6: Final answer
x = 158.73
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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.