Finding the Fourth Proportional to 207.26, 285.84 and 133.52
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Solution
The fourth proportional to 207.26, 285.84 and 133.52 is: 184.14
Step by Step Solution
- Step 1: Write the proportion equation
207.26 : 285.84 = 133.52 : x - Step 2: Convert to fraction form
207.26/285.84 = 133.52/x - Step 3: Cross multiply
207.26x = 285.84 × 133.52 - Step 4: Simplify right side
207.26x = 38,165.36 - Step 5: Solve for x
x = 38,165.36/207.26 - Step 6: Final answer
x = 184.14
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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.