Finding the Fourth Proportional to 295.10, 442.97 and 261.08
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Solution
The fourth proportional to 295.10, 442.97 and 261.08 is: 391.90
Step by Step Solution
- Step 1: Write the proportion equation
295.10 : 442.97 = 261.08 : x - Step 2: Convert to fraction form
295.10/442.97 = 261.08/x - Step 3: Cross multiply
295.10x = 442.97 × 261.08 - Step 4: Simplify right side
295.10x = 115,649.30 - Step 5: Solve for x
x = 115,649.30/295.10 - Step 6: Final answer
x = 391.90
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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.