Finding the Fourth Proportional to 168.99, 253.59 and 132.99
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Solution
The fourth proportional to 168.99, 253.59 and 132.99 is: 199.57
Step by Step Solution
- Step 1: Write the proportion equation
168.99 : 253.59 = 132.99 : x - Step 2: Convert to fraction form
168.99/253.59 = 132.99/x - Step 3: Cross multiply
168.99x = 253.59 × 132.99 - Step 4: Simplify right side
168.99x = 33,724.93 - Step 5: Solve for x
x = 33,724.93/168.99 - Step 6: Final answer
x = 199.57
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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.