Finding the Fourth Proportional to 273.19, 407.93 and 239.99
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Solution
The fourth proportional to 273.19, 407.93 and 239.99 is: 358.36
Step by Step Solution
- Step 1: Write the proportion equation
273.19 : 407.93 = 239.99 : x - Step 2: Convert to fraction form
273.19/407.93 = 239.99/x - Step 3: Cross multiply
273.19x = 407.93 × 239.99 - Step 4: Simplify right side
273.19x = 97,897.92 - Step 5: Solve for x
x = 97,897.92/273.19 - Step 6: Final answer
x = 358.36
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.