Finding the Fourth Proportional to 202.00, 302.99 and 80.18
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Solution
The fourth proportional to 202.00, 302.99 and 80.18 is: 120.26
Step by Step Solution
- Step 1: Write the proportion equation
202.00 : 302.99 = 80.18 : x - Step 2: Convert to fraction form
202.00/302.99 = 80.18/x - Step 3: Cross multiply
202.00x = 302.99 × 80.18 - Step 4: Simplify right side
202.00x = 24,292.98 - Step 5: Solve for x
x = 24,292.98/202.00 - Step 6: Final answer
x = 120.26
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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.