Finding the Fourth Proportional to 116.01, 159.96 and 79.99
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Solution
The fourth proportional to 116.01, 159.96 and 79.99 is: 110.29
Step by Step Solution
- Step 1: Write the proportion equation
116.01 : 159.96 = 79.99 : x - Step 2: Convert to fraction form
116.01/159.96 = 79.99/x - Step 3: Cross multiply
116.01x = 159.96 × 79.99 - Step 4: Simplify right side
116.01x = 12,795.20 - Step 5: Solve for x
x = 12,795.20/116.01 - Step 6: Final answer
x = 110.29
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.