Finding the Fourth Proportional to 272.06, 375.48 and 178.88
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Solution
The fourth proportional to 272.06, 375.48 and 178.88 is: 246.88
Step by Step Solution
- Step 1: Write the proportion equation
272.06 : 375.48 = 178.88 : x - Step 2: Convert to fraction form
272.06/375.48 = 178.88/x - Step 3: Cross multiply
272.06x = 375.48 × 178.88 - Step 4: Simplify right side
272.06x = 67,163.99 - Step 5: Solve for x
x = 67,163.99/272.06 - Step 6: Final answer
x = 246.88
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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.