Finding the Fourth Proportional to 223.36, 334.99 and 79.08
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Solution
The fourth proportional to 223.36, 334.99 and 79.08 is: 118.60
Step by Step Solution
- Step 1: Write the proportion equation
223.36 : 334.99 = 79.08 : x - Step 2: Convert to fraction form
223.36/334.99 = 79.08/x - Step 3: Cross multiply
223.36x = 334.99 × 79.08 - Step 4: Simplify right side
223.36x = 26,491.11 - Step 5: Solve for x
x = 26,491.11/223.36 - Step 6: Final answer
x = 118.60
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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.