Finding the Fourth Proportional to 180.74, 270.81 and 173.99
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Solution
The fourth proportional to 180.74, 270.81 and 173.99 is: 260.70
Step by Step Solution
- Step 1: Write the proportion equation
180.74 : 270.81 = 173.99 : x - Step 2: Convert to fraction form
180.74/270.81 = 173.99/x - Step 3: Cross multiply
180.74x = 270.81 × 173.99 - Step 4: Simplify right side
180.74x = 47,118.23 - Step 5: Solve for x
x = 47,118.23/180.74 - Step 6: Final answer
x = 260.70
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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.