Finding the Fourth Proportional to 79.48, 119.18 and 46.99
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Solution
The fourth proportional to 79.48, 119.18 and 46.99 is: 70.46
Step by Step Solution
- Step 1: Write the proportion equation
79.48 : 119.18 = 46.99 : x - Step 2: Convert to fraction form
79.48/119.18 = 46.99/x - Step 3: Cross multiply
79.48x = 119.18 × 46.99 - Step 4: Simplify right side
79.48x = 5,599.67 - Step 5: Solve for x
x = 5,599.67/79.48 - Step 6: Final answer
x = 70.46
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.