Finding the Fourth Proportional to 295.70, 407.36 and 212.26
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Solution
The fourth proportional to 295.70, 407.36 and 212.26 is: 292.41
Step by Step Solution
- Step 1: Write the proportion equation
295.70 : 407.36 = 212.26 : x - Step 2: Convert to fraction form
295.70/407.36 = 212.26/x - Step 3: Cross multiply
295.70x = 407.36 × 212.26 - Step 4: Simplify right side
295.70x = 86,466.23 - Step 5: Solve for x
x = 86,466.23/295.70 - Step 6: Final answer
x = 292.41
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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.