Finding the Fourth Proportional to 167.91, 231.72 and 97.99
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Solution
The fourth proportional to 167.91, 231.72 and 97.99 is: 135.23
Step by Step Solution
- Step 1: Write the proportion equation
167.91 : 231.72 = 97.99 : x - Step 2: Convert to fraction form
167.91/231.72 = 97.99/x - Step 3: Cross multiply
167.91x = 231.72 × 97.99 - Step 4: Simplify right side
167.91x = 22,706.24 - Step 5: Solve for x
x = 22,706.24/167.91 - Step 6: Final answer
x = 135.23
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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.