Finding the Fourth Proportional to 294.99, 407.16 and 207.69
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Solution
The fourth proportional to 294.99, 407.16 and 207.69 is: 286.66
Step by Step Solution
- Step 1: Write the proportion equation
294.99 : 407.16 = 207.69 : x - Step 2: Convert to fraction form
294.99/407.16 = 207.69/x - Step 3: Cross multiply
294.99x = 407.16 × 207.69 - Step 4: Simplify right side
294.99x = 84,563.06 - Step 5: Solve for x
x = 84,563.06/294.99 - Step 6: Final answer
x = 286.66
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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.