Finding the Fourth Proportional to 331.41, 497.19 and 125.99
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Solution
The fourth proportional to 331.41, 497.19 and 125.99 is: 189.01
Step by Step Solution
- Step 1: Write the proportion equation
331.41 : 497.19 = 125.99 : x - Step 2: Convert to fraction form
331.41/497.19 = 125.99/x - Step 3: Cross multiply
331.41x = 497.19 × 125.99 - Step 4: Simplify right side
331.41x = 62,638.48 - Step 5: Solve for x
x = 62,638.48/331.41 - Step 6: Final answer
x = 189.01
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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.