Finding the Fourth Proportional to 177.26, 244.55 and 130.74
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Solution
The fourth proportional to 177.26, 244.55 and 130.74 is: 180.38
Step by Step Solution
- Step 1: Write the proportion equation
177.26 : 244.55 = 130.74 : x - Step 2: Convert to fraction form
177.26/244.55 = 130.74/x - Step 3: Cross multiply
177.26x = 244.55 × 130.74 - Step 4: Simplify right side
177.26x = 31,973.08 - Step 5: Solve for x
x = 31,973.08/177.26 - Step 6: Final answer
x = 180.38
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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.