Finding the Fourth Proportional to 294.19, 440.36 and 220.63
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Solution
The fourth proportional to 294.19, 440.36 and 220.63 is: 330.25
Step by Step Solution
- Step 1: Write the proportion equation
294.19 : 440.36 = 220.63 : x - Step 2: Convert to fraction form
294.19/440.36 = 220.63/x - Step 3: Cross multiply
294.19x = 440.36 × 220.63 - Step 4: Simplify right side
294.19x = 97,156.63 - Step 5: Solve for x
x = 97,156.63/294.19 - Step 6: Final answer
x = 330.25
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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.