Finding the Fourth Proportional to 269.44, 372.26 and 214.63
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Solution
The fourth proportional to 269.44, 372.26 and 214.63 is: 296.53
Step by Step Solution
- Step 1: Write the proportion equation
269.44 : 372.26 = 214.63 : x - Step 2: Convert to fraction form
269.44/372.26 = 214.63/x - Step 3: Cross multiply
269.44x = 372.26 × 214.63 - Step 4: Simplify right side
269.44x = 79,898.16 - Step 5: Solve for x
x = 79,898.16/269.44 - Step 6: Final answer
x = 296.53
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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.