Finding the Fourth Proportional to 274.01, 377.99 and 163.53
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Solution
The fourth proportional to 274.01, 377.99 and 163.53 is: 225.59
Step by Step Solution
- Step 1: Write the proportion equation
274.01 : 377.99 = 163.53 : x - Step 2: Convert to fraction form
274.01/377.99 = 163.53/x - Step 3: Cross multiply
274.01x = 377.99 × 163.53 - Step 4: Simplify right side
274.01x = 61,812.70 - Step 5: Solve for x
x = 61,812.70/274.01 - Step 6: Final answer
x = 225.59
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.