Finding the Fourth Proportional to 207.19, 285.48 and 141.58
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Solution
The fourth proportional to 207.19, 285.48 and 141.58 is: 195.08
Step by Step Solution
- Step 1: Write the proportion equation
207.19 : 285.48 = 141.58 : x - Step 2: Convert to fraction form
207.19/285.48 = 141.58/x - Step 3: Cross multiply
207.19x = 285.48 × 141.58 - Step 4: Simplify right side
207.19x = 40,418.26 - Step 5: Solve for x
x = 40,418.26/207.19 - Step 6: Final answer
x = 195.08
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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.