Finding the Fourth Proportional to 154.03, 230.91 and 113.62
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Solution
The fourth proportional to 154.03, 230.91 and 113.62 is: 170.33
Step by Step Solution
- Step 1: Write the proportion equation
154.03 : 230.91 = 113.62 : x - Step 2: Convert to fraction form
154.03/230.91 = 113.62/x - Step 3: Cross multiply
154.03x = 230.91 × 113.62 - Step 4: Simplify right side
154.03x = 26,235.99 - Step 5: Solve for x
x = 26,235.99/154.03 - Step 6: Final answer
x = 170.33
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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.