Finding the Fourth Proportional to 514.65, 771.97 and 167.99
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Solution
The fourth proportional to 514.65, 771.97 and 167.99 is: 251.98
Step by Step Solution
- Step 1: Write the proportion equation
514.65 : 771.97 = 167.99 : x - Step 2: Convert to fraction form
514.65/771.97 = 167.99/x - Step 3: Cross multiply
514.65x = 771.97 × 167.99 - Step 4: Simplify right side
514.65x = 129,683.24 - Step 5: Solve for x
x = 129,683.24/514.65 - Step 6: Final answer
x = 251.98
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.