Finding the Fourth Proportional to 194.33, 291.52 and 125.99
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Solution
The fourth proportional to 194.33, 291.52 and 125.99 is: 188.99
Step by Step Solution
- Step 1: Write the proportion equation
194.33 : 291.52 = 125.99 : x - Step 2: Convert to fraction form
194.33/291.52 = 125.99/x - Step 3: Cross multiply
194.33x = 291.52 × 125.99 - Step 4: Simplify right side
194.33x = 36,726.52 - Step 5: Solve for x
x = 36,726.52/194.33 - Step 6: Final answer
x = 188.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.