Finding the Fourth Proportional to 163.13, 225.14 and 107.98
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Solution
The fourth proportional to 163.13, 225.14 and 107.98 is: 149.02
Step by Step Solution
- Step 1: Write the proportion equation
163.13 : 225.14 = 107.98 : x - Step 2: Convert to fraction form
163.13/225.14 = 107.98/x - Step 3: Cross multiply
163.13x = 225.14 × 107.98 - Step 4: Simplify right side
163.13x = 24,309.51 - Step 5: Solve for x
x = 24,309.51/163.13 - Step 6: Final answer
x = 149.02
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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.