Finding the Fourth Proportional to 268.62, 370.08 and 252.96
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Solution
The fourth proportional to 268.62, 370.08 and 252.96 is: 348.51
Step by Step Solution
- Step 1: Write the proportion equation
268.62 : 370.08 = 252.96 : x - Step 2: Convert to fraction form
268.62/370.08 = 252.96/x - Step 3: Cross multiply
268.62x = 370.08 × 252.96 - Step 4: Simplify right side
268.62x = 93,615.44 - Step 5: Solve for x
x = 93,615.44/268.62 - Step 6: Final answer
x = 348.51
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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.