Finding the Fourth Proportional to 263.68, 395.52 and 178
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Solution
The fourth proportional to 263.68, 395.52 and 178 is: 267
Step by Step Solution
- Step 1: Write the proportion equation
263.68 : 395.52 = 178 : x - Step 2: Convert to fraction form
263.68/395.52 = 178/x - Step 3: Cross multiply
263.68x = 395.52 × 178 - Step 4: Simplify right side
263.68x = 70,402.56 - Step 5: Solve for x
x = 70,402.56/263.68 - Step 6: Final answer
x = 267
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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.