Finding the Fourth Proportional to 161.30, 241.99 and 58.58
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Solution
The fourth proportional to 161.30, 241.99 and 58.58 is: 87.88
Step by Step Solution
- Step 1: Write the proportion equation
161.30 : 241.99 = 58.58 : x - Step 2: Convert to fraction form
161.30/241.99 = 58.58/x - Step 3: Cross multiply
161.30x = 241.99 × 58.58 - Step 4: Simplify right side
161.30x = 14,174.42 - Step 5: Solve for x
x = 14,174.42/161.30 - Step 6: Final answer
x = 87.88
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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.