Finding the Fourth Proportional to 248.23, 342.51 and 149.99
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Solution
The fourth proportional to 248.23, 342.51 and 149.99 is: 206.96
Step by Step Solution
- Step 1: Write the proportion equation
248.23 : 342.51 = 149.99 : x - Step 2: Convert to fraction form
248.23/342.51 = 149.99/x - Step 3: Cross multiply
248.23x = 342.51 × 149.99 - Step 4: Simplify right side
248.23x = 51,373.13 - Step 5: Solve for x
x = 51,373.13/248.23 - Step 6: Final answer
x = 206.96
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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.