Finding the Fourth Proportional to 340.44, 510.99 and 157.87
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Solution
The fourth proportional to 340.44, 510.99 and 157.87 is: 236.96
Step by Step Solution
- Step 1: Write the proportion equation
340.44 : 510.99 = 157.87 : x - Step 2: Convert to fraction form
340.44/510.99 = 157.87/x - Step 3: Cross multiply
340.44x = 510.99 × 157.87 - Step 4: Simplify right side
340.44x = 80,669.99 - Step 5: Solve for x
x = 80,669.99/340.44 - Step 6: Final answer
x = 236.96
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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.