Finding the Fourth Proportional to 116.39, 174.51 and 65.00
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Solution
The fourth proportional to 116.39, 174.51 and 65.00 is: 97.45
Step by Step Solution
- Step 1: Write the proportion equation
116.39 : 174.51 = 65.00 : x - Step 2: Convert to fraction form
116.39/174.51 = 65.00/x - Step 3: Cross multiply
116.39x = 174.51 × 65.00 - Step 4: Simplify right side
116.39x = 11,342.28 - Step 5: Solve for x
x = 11,342.28/116.39 - Step 6: Final answer
x = 97.45
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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.