Finding the Fourth Proportional to 322.44, 444.62 and 239.70
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Solution
The fourth proportional to 322.44, 444.62 and 239.70 is: 330.52
Step by Step Solution
- Step 1: Write the proportion equation
322.44 : 444.62 = 239.70 : x - Step 2: Convert to fraction form
322.44/444.62 = 239.70/x - Step 3: Cross multiply
322.44x = 444.62 × 239.70 - Step 4: Simplify right side
322.44x = 106,574.22 - Step 5: Solve for x
x = 106,574.22/322.44 - Step 6: Final answer
x = 330.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.