Finding the Fourth Proportional to 214.41, 296.99 and 198.62
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Solution
The fourth proportional to 214.41, 296.99 and 198.62 is: 275.11
Step by Step Solution
- Step 1: Write the proportion equation
214.41 : 296.99 = 198.62 : x - Step 2: Convert to fraction form
214.41/296.99 = 198.62/x - Step 3: Cross multiply
214.41x = 296.99 × 198.62 - Step 4: Simplify right side
214.41x = 58,985.68 - Step 5: Solve for x
x = 58,985.68/214.41 - Step 6: Final answer
x = 275.11
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.