Finding the Fourth Proportional to 174.17, 261.32 and 65.98
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Solution
The fourth proportional to 174.17, 261.32 and 65.98 is: 98.99
Step by Step Solution
- Step 1: Write the proportion equation
174.17 : 261.32 = 65.98 : x - Step 2: Convert to fraction form
174.17/261.32 = 65.98/x - Step 3: Cross multiply
174.17x = 261.32 × 65.98 - Step 4: Simplify right side
174.17x = 17,241.89 - Step 5: Solve for x
x = 17,241.89/174.17 - Step 6: Final answer
x = 98.99
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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.