Finding the Fourth Proportional to 177.40, 266.08 and 119.99
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Solution
The fourth proportional to 177.40, 266.08 and 119.99 is: 179.98
Step by Step Solution
- Step 1: Write the proportion equation
177.40 : 266.08 = 119.99 : x - Step 2: Convert to fraction form
177.40/266.08 = 119.99/x - Step 3: Cross multiply
177.40x = 266.08 × 119.99 - Step 4: Simplify right side
177.40x = 31,926.94 - Step 5: Solve for x
x = 31,926.94/177.40 - Step 6: Final answer
x = 179.98
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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.