Finding the Fourth Proportional to 170.79, 235.67 and 97.08
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Solution
The fourth proportional to 170.79, 235.67 and 97.08 is: 133.96
Step by Step Solution
- Step 1: Write the proportion equation
170.79 : 235.67 = 97.08 : x - Step 2: Convert to fraction form
170.79/235.67 = 97.08/x - Step 3: Cross multiply
170.79x = 235.67 × 97.08 - Step 4: Simplify right side
170.79x = 22,878.36 - Step 5: Solve for x
x = 22,878.36/170.79 - Step 6: Final answer
x = 133.96
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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.