Finding the Fourth Proportional to 177.26, 242.98 and 176.99
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Solution
The fourth proportional to 177.26, 242.98 and 176.99 is: 242.61
Step by Step Solution
- Step 1: Write the proportion equation
177.26 : 242.98 = 176.99 : x - Step 2: Convert to fraction form
177.26/242.98 = 176.99/x - Step 3: Cross multiply
177.26x = 242.98 × 176.99 - Step 4: Simplify right side
177.26x = 43,003.37 - Step 5: Solve for x
x = 43,003.37/177.26 - Step 6: Final answer
x = 242.61
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.