Finding the Fourth Proportional to 207.64, 286.59 and 134.08
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Solution
The fourth proportional to 207.64, 286.59 and 134.08 is: 185.06
Step by Step Solution
- Step 1: Write the proportion equation
207.64 : 286.59 = 134.08 : x - Step 2: Convert to fraction form
207.64/286.59 = 134.08/x - Step 3: Cross multiply
207.64x = 286.59 × 134.08 - Step 4: Simplify right side
207.64x = 38,425.99 - Step 5: Solve for x
x = 38,425.99/207.64 - Step 6: Final answer
x = 185.06
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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.