Finding the Fourth Proportional to 176.48, 264.84 and 91.04
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Solution
The fourth proportional to 176.48, 264.84 and 91.04 is: 136.62
Step by Step Solution
- Step 1: Write the proportion equation
176.48 : 264.84 = 91.04 : x - Step 2: Convert to fraction form
176.48/264.84 = 91.04/x - Step 3: Cross multiply
176.48x = 264.84 × 91.04 - Step 4: Simplify right side
176.48x = 24,111.03 - Step 5: Solve for x
x = 24,111.03/176.48 - Step 6: Final answer
x = 136.62
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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.