Finding the Fourth Proportional to 223.99, 335.99 and 87.05
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Solution
The fourth proportional to 223.99, 335.99 and 87.05 is: 130.58
Step by Step Solution
- Step 1: Write the proportion equation
223.99 : 335.99 = 87.05 : x - Step 2: Convert to fraction form
223.99/335.99 = 87.05/x - Step 3: Cross multiply
223.99x = 335.99 × 87.05 - Step 4: Simplify right side
223.99x = 29,248.99 - Step 5: Solve for x
x = 29,248.99/223.99 - Step 6: Final answer
x = 130.58
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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.