Finding the Fourth Proportional to 295.13, 407.19 and 170.80
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Solution
The fourth proportional to 295.13, 407.19 and 170.80 is: 235.65
Step by Step Solution
- Step 1: Write the proportion equation
295.13 : 407.19 = 170.80 : x - Step 2: Convert to fraction form
295.13/407.19 = 170.80/x - Step 3: Cross multiply
295.13x = 407.19 × 170.80 - Step 4: Simplify right side
295.13x = 69,548.05 - Step 5: Solve for x
x = 69,548.05/295.13 - Step 6: Final answer
x = 235.65
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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.