Finding the Fourth Proportional to 230.67, 346.05 and 108.99
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Solution
The fourth proportional to 230.67, 346.05 and 108.99 is: 163.51
Step by Step Solution
- Step 1: Write the proportion equation
230.67 : 346.05 = 108.99 : x - Step 2: Convert to fraction form
230.67/346.05 = 108.99/x - Step 3: Cross multiply
230.67x = 346.05 × 108.99 - Step 4: Simplify right side
230.67x = 37,715.99 - Step 5: Solve for x
x = 37,715.99/230.67 - Step 6: Final answer
x = 163.51
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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.