Finding the Fourth Proportional to 175.23, 262.65 and 66.99
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Solution
The fourth proportional to 175.23, 262.65 and 66.99 is: 100.42
Step by Step Solution
- Step 1: Write the proportion equation
175.23 : 262.65 = 66.99 : x - Step 2: Convert to fraction form
175.23/262.65 = 66.99/x - Step 3: Cross multiply
175.23x = 262.65 × 66.99 - Step 4: Simplify right side
175.23x = 17,596.16 - Step 5: Solve for x
x = 17,596.16/175.23 - Step 6: Final answer
x = 100.42
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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.