Finding the Fourth Proportional to 264.19, 364.78 and 170.99
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Solution
The fourth proportional to 264.19, 364.78 and 170.99 is: 236.09
Step by Step Solution
- Step 1: Write the proportion equation
264.19 : 364.78 = 170.99 : x - Step 2: Convert to fraction form
264.19/364.78 = 170.99/x - Step 3: Cross multiply
264.19x = 364.78 × 170.99 - Step 4: Simplify right side
264.19x = 62,373.73 - Step 5: Solve for x
x = 62,373.73/264.19 - Step 6: Final answer
x = 236.09
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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.