Finding the Fourth Proportional to 177.63, 266.26 and 74.97
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Solution
The fourth proportional to 177.63, 266.26 and 74.97 is: 112.38
Step by Step Solution
- Step 1: Write the proportion equation
177.63 : 266.26 = 74.97 : x - Step 2: Convert to fraction form
177.63/266.26 = 74.97/x - Step 3: Cross multiply
177.63x = 266.26 × 74.97 - Step 4: Simplify right side
177.63x = 19,961.51 - Step 5: Solve for x
x = 19,961.51/177.63 - Step 6: Final answer
x = 112.38
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.