Finding the Fourth Proportional to 97.99, 135.21 and 60.60
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Solution
The fourth proportional to 97.99, 135.21 and 60.60 is: 83.62
Step by Step Solution
- Step 1: Write the proportion equation
97.99 : 135.21 = 60.60 : x - Step 2: Convert to fraction form
97.99/135.21 = 60.60/x - Step 3: Cross multiply
97.99x = 135.21 × 60.60 - Step 4: Simplify right side
97.99x = 8,193.73 - Step 5: Solve for x
x = 8,193.73/97.99 - Step 6: Final answer
x = 83.62
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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.