Finding the Fourth Proportional to 177.56, 266.16 and 161.99
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Solution
The fourth proportional to 177.56, 266.16 and 161.99 is: 242.82
Step by Step Solution
- Step 1: Write the proportion equation
177.56 : 266.16 = 161.99 : x - Step 2: Convert to fraction form
177.56/266.16 = 161.99/x - Step 3: Cross multiply
177.56x = 266.16 × 161.99 - Step 4: Simplify right side
177.56x = 43,115.26 - Step 5: Solve for x
x = 43,115.26/177.56 - Step 6: Final answer
x = 242.82
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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.