Finding the Fourth Proportional to 66.26, 98.99 and 65.95
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Solution
The fourth proportional to 66.26, 98.99 and 65.95 is: 98.51
Step by Step Solution
- Step 1: Write the proportion equation
66.26 : 98.99 = 65.95 : x - Step 2: Convert to fraction form
66.26/98.99 = 65.95/x - Step 3: Cross multiply
66.26x = 98.99 × 65.95 - Step 4: Simplify right side
66.26x = 6,527.81 - Step 5: Solve for x
x = 6,527.81/66.26 - Step 6: Final answer
x = 98.51
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.