Finding the Fourth Proportional to 150.14, 207.19 and 84.65
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Solution
The fourth proportional to 150.14, 207.19 and 84.65 is: 116.82
Step by Step Solution
- Step 1: Write the proportion equation
150.14 : 207.19 = 84.65 : x - Step 2: Convert to fraction form
150.14/207.19 = 84.65/x - Step 3: Cross multiply
150.14x = 207.19 × 84.65 - Step 4: Simplify right side
150.14x = 17,538.63 - Step 5: Solve for x
x = 17,538.63/150.14 - Step 6: Final answer
x = 116.82
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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.