Finding the Fourth Proportional to 248.96, 343.36 and 178.88
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Solution
The fourth proportional to 248.96, 343.36 and 178.88 is: 246.71
Step by Step Solution
- Step 1: Write the proportion equation
248.96 : 343.36 = 178.88 : x - Step 2: Convert to fraction form
248.96/343.36 = 178.88/x - Step 3: Cross multiply
248.96x = 343.36 × 178.88 - Step 4: Simplify right side
248.96x = 61,420.24 - Step 5: Solve for x
x = 61,420.24/248.96 - Step 6: Final answer
x = 246.71
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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.