Finding the Fourth Proportional to 161.08, 241.36 and 109.68
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Solution
The fourth proportional to 161.08, 241.36 and 109.68 is: 164.34
Step by Step Solution
- Step 1: Write the proportion equation
161.08 : 241.36 = 109.68 : x - Step 2: Convert to fraction form
161.08/241.36 = 109.68/x - Step 3: Cross multiply
161.08x = 241.36 × 109.68 - Step 4: Simplify right side
161.08x = 26,472.36 - Step 5: Solve for x
x = 26,472.36/161.08 - Step 6: Final answer
x = 164.34
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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.