Finding the Fourth Proportional to 295.19, 407.28 and 177.14
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Solution
The fourth proportional to 295.19, 407.28 and 177.14 is: 244.39
Step by Step Solution
- Step 1: Write the proportion equation
295.19 : 407.28 = 177.14 : x - Step 2: Convert to fraction form
295.19/407.28 = 177.14/x - Step 3: Cross multiply
295.19x = 407.28 × 177.14 - Step 4: Simplify right side
295.19x = 72,143.97 - Step 5: Solve for x
x = 72,143.97/295.19 - Step 6: Final answer
x = 244.39
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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.