Finding the Fourth Proportional to 214.65, 296.19 and 135.99
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Solution
The fourth proportional to 214.65, 296.19 and 135.99 is: 187.65
Step by Step Solution
- Step 1: Write the proportion equation
214.65 : 296.19 = 135.99 : x - Step 2: Convert to fraction form
214.65/296.19 = 135.99/x - Step 3: Cross multiply
214.65x = 296.19 × 135.99 - Step 4: Simplify right side
214.65x = 40,278.88 - Step 5: Solve for x
x = 40,278.88/214.65 - Step 6: Final answer
x = 187.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.