Finding the Fourth Proportional to 176.21, 263.91 and 84.97
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Solution
The fourth proportional to 176.21, 263.91 and 84.97 is: 127.26
Step by Step Solution
- Step 1: Write the proportion equation
176.21 : 263.91 = 84.97 : x - Step 2: Convert to fraction form
176.21/263.91 = 84.97/x - Step 3: Cross multiply
176.21x = 263.91 × 84.97 - Step 4: Simplify right side
176.21x = 22,424.43 - Step 5: Solve for x
x = 22,424.43/176.21 - Step 6: Final answer
x = 127.26
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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.