Finding the Fourth Proportional to 214.99, 296.58 and 136.18
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Solution
The fourth proportional to 214.99, 296.58 and 136.18 is: 187.85
Step by Step Solution
- Step 1: Write the proportion equation
214.99 : 296.58 = 136.18 : x - Step 2: Convert to fraction form
214.99/296.58 = 136.18/x - Step 3: Cross multiply
214.99x = 296.58 × 136.18 - Step 4: Simplify right side
214.99x = 40,386.44 - Step 5: Solve for x
x = 40,386.44/214.99 - Step 6: Final answer
x = 187.85
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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.