Finding the Fourth Proportional to 71.01, 98.00 and 60.08
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Solution
The fourth proportional to 71.01, 98.00 and 60.08 is: 82.90
Step by Step Solution
- Step 1: Write the proportion equation
71.01 : 98.00 = 60.08 : x - Step 2: Convert to fraction form
71.01/98.00 = 60.08/x - Step 3: Cross multiply
71.01x = 98.00 × 60.08 - Step 4: Simplify right side
71.01x = 5,887.05 - Step 5: Solve for x
x = 5,887.05/71.01 - Step 6: Final answer
x = 82.90
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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.