Finding the Fourth Proportional to 80.06, 120.14 and 37.31
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Solution
The fourth proportional to 80.06, 120.14 and 37.31 is: 55.99
Step by Step Solution
- Step 1: Write the proportion equation
80.06 : 120.14 = 37.31 : x - Step 2: Convert to fraction form
80.06/120.14 = 37.31/x - Step 3: Cross multiply
80.06x = 120.14 × 37.31 - Step 4: Simplify right side
80.06x = 4,482.82 - Step 5: Solve for x
x = 4,482.82/80.06 - Step 6: Final answer
x = 55.99
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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.