Finding the Fourth Proportional to 252.42, 348 and 196.94
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Solution
The fourth proportional to 252.42, 348 and 196.94 is: 271.51
Step by Step Solution
- Step 1: Write the proportion equation
252.42 : 348 = 196.94 : x - Step 2: Convert to fraction form
252.42/348 = 196.94/x - Step 3: Cross multiply
252.42x = 348 × 196.94 - Step 4: Simplify right side
252.42x = 68,535.12 - Step 5: Solve for x
x = 68,535.12/252.42 - Step 6: Final answer
x = 271.51
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.