Finding the Fourth Proportional to 177.16, 244.43 and 114.99
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Solution
The fourth proportional to 177.16, 244.43 and 114.99 is: 158.65
Step by Step Solution
- Step 1: Write the proportion equation
177.16 : 244.43 = 114.99 : x - Step 2: Convert to fraction form
177.16/244.43 = 114.99/x - Step 3: Cross multiply
177.16x = 244.43 × 114.99 - Step 4: Simplify right side
177.16x = 28,107.01 - Step 5: Solve for x
x = 28,107.01/177.16 - Step 6: Final answer
x = 158.65
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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.