Finding the Fourth Proportional to 167.62, 230.99 and 156.68
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Solution
The fourth proportional to 167.62, 230.99 and 156.68 is: 215.91
Step by Step Solution
- Step 1: Write the proportion equation
167.62 : 230.99 = 156.68 : x - Step 2: Convert to fraction form
167.62/230.99 = 156.68/x - Step 3: Cross multiply
167.62x = 230.99 × 156.68 - Step 4: Simplify right side
167.62x = 36,190.36 - Step 5: Solve for x
x = 36,190.36/167.62 - Step 6: Final answer
x = 215.91
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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.