Finding the Fourth Proportional to 162.63, 243.82 and 69.99
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Solution
The fourth proportional to 162.63, 243.82 and 69.99 is: 104.93
Step by Step Solution
- Step 1: Write the proportion equation
162.63 : 243.82 = 69.99 : x - Step 2: Convert to fraction form
162.63/243.82 = 69.99/x - Step 3: Cross multiply
162.63x = 243.82 × 69.99 - Step 4: Simplify right side
162.63x = 17,064.96 - Step 5: Solve for x
x = 17,064.96/162.63 - Step 6: Final answer
x = 104.93
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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.