Finding the Fourth Proportional to 239.24, 330.15 and 140.99
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Solution
The fourth proportional to 239.24, 330.15 and 140.99 is: 194.57
Step by Step Solution
- Step 1: Write the proportion equation
239.24 : 330.15 = 140.99 : x - Step 2: Convert to fraction form
239.24/330.15 = 140.99/x - Step 3: Cross multiply
239.24x = 330.15 × 140.99 - Step 4: Simplify right side
239.24x = 46,547.14 - Step 5: Solve for x
x = 46,547.14/239.24 - Step 6: Final answer
x = 194.57
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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.