Finding the Fourth Proportional to 218.36, 302.63 and 214.26
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Solution
The fourth proportional to 218.36, 302.63 and 214.26 is: 296.95
Step by Step Solution
- Step 1: Write the proportion equation
218.36 : 302.63 = 214.26 : x - Step 2: Convert to fraction form
218.36/302.63 = 214.26/x - Step 3: Cross multiply
218.36x = 302.63 × 214.26 - Step 4: Simplify right side
218.36x = 64,842.00 - Step 5: Solve for x
x = 64,842.00/218.36 - Step 6: Final answer
x = 296.95
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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.