Finding the Fourth Proportional to 177.57, 266.49 and 167.99
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Solution
The fourth proportional to 177.57, 266.49 and 167.99 is: 252.11
Step by Step Solution
- Step 1: Write the proportion equation
177.57 : 266.49 = 167.99 : x - Step 2: Convert to fraction form
177.57/266.49 = 167.99/x - Step 3: Cross multiply
177.57x = 266.49 × 167.99 - Step 4: Simplify right side
177.57x = 44,766.32 - Step 5: Solve for x
x = 44,766.32/177.57 - Step 6: Final answer
x = 252.11
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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.