Finding the Fourth Proportional to 252.95, 378.99 and 166.16
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Solution
The fourth proportional to 252.95, 378.99 and 166.16 is: 248.95
Step by Step Solution
- Step 1: Write the proportion equation
252.95 : 378.99 = 166.16 : x - Step 2: Convert to fraction form
252.95/378.99 = 166.16/x - Step 3: Cross multiply
252.95x = 378.99 × 166.16 - Step 4: Simplify right side
252.95x = 62,971.08 - Step 5: Solve for x
x = 62,971.08/252.95 - Step 6: Final answer
x = 248.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.