Finding the Fourth Proportional to 165.68, 248.08 and 107.74
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Solution
The fourth proportional to 165.68, 248.08 and 107.74 is: 161.32
Step by Step Solution
- Step 1: Write the proportion equation
165.68 : 248.08 = 107.74 : x - Step 2: Convert to fraction form
165.68/248.08 = 107.74/x - Step 3: Cross multiply
165.68x = 248.08 × 107.74 - Step 4: Simplify right side
165.68x = 26,728.14 - Step 5: Solve for x
x = 26,728.14/165.68 - Step 6: Final answer
x = 161.32
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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.