Finding the Fourth Proportional to 272.24, 375.48 and 178.91
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Solution
The fourth proportional to 272.24, 375.48 and 178.91 is: 246.76
Step by Step Solution
- Step 1: Write the proportion equation
272.24 : 375.48 = 178.91 : x - Step 2: Convert to fraction form
272.24/375.48 = 178.91/x - Step 3: Cross multiply
272.24x = 375.48 × 178.91 - Step 4: Simplify right side
272.24x = 67,177.13 - Step 5: Solve for x
x = 67,177.13/272.24 - Step 6: Final answer
x = 246.76
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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.