Finding the Fourth Proportional to 163.74, 225.95 and 98.23
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Solution
The fourth proportional to 163.74, 225.95 and 98.23 is: 135.55
Step by Step Solution
- Step 1: Write the proportion equation
163.74 : 225.95 = 98.23 : x - Step 2: Convert to fraction form
163.74/225.95 = 98.23/x - Step 3: Cross multiply
163.74x = 225.95 × 98.23 - Step 4: Simplify right side
163.74x = 22,195.07 - Step 5: Solve for x
x = 22,195.07/163.74 - Step 6: Final answer
x = 135.55
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.