Finding the Fourth Proportional to 177.14, 244.40 and 107.18
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Solution
The fourth proportional to 177.14, 244.40 and 107.18 is: 147.88
Step by Step Solution
- Step 1: Write the proportion equation
177.14 : 244.40 = 107.18 : x - Step 2: Convert to fraction form
177.14/244.40 = 107.18/x - Step 3: Cross multiply
177.14x = 244.40 × 107.18 - Step 4: Simplify right side
177.14x = 26,194.79 - Step 5: Solve for x
x = 26,194.79/177.14 - Step 6: Final answer
x = 147.88
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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.