Finding the Fourth Proportional to 295.24, 407.16 and 274.44
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Solution
The fourth proportional to 295.24, 407.16 and 274.44 is: 378.48
Step by Step Solution
- Step 1: Write the proportion equation
295.24 : 407.16 = 274.44 : x - Step 2: Convert to fraction form
295.24/407.16 = 274.44/x - Step 3: Cross multiply
295.24x = 407.16 × 274.44 - Step 4: Simplify right side
295.24x = 111,740.99 - Step 5: Solve for x
x = 111,740.99/295.24 - Step 6: Final answer
x = 378.48
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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.