Finding the Fourth Proportional to 325.58, 487.99 and 119.99
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Solution
The fourth proportional to 325.58, 487.99 and 119.99 is: 179.85
Step by Step Solution
- Step 1: Write the proportion equation
325.58 : 487.99 = 119.99 : x - Step 2: Convert to fraction form
325.58/487.99 = 119.99/x - Step 3: Cross multiply
325.58x = 487.99 × 119.99 - Step 4: Simplify right side
325.58x = 58,555.29 - Step 5: Solve for x
x = 58,555.29/325.58 - Step 6: Final answer
x = 179.85
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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.