Finding the Fourth Proportional to 150.39, 207.09 and 130.95
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Solution
The fourth proportional to 150.39, 207.09 and 130.95 is: 180.32
Step by Step Solution
- Step 1: Write the proportion equation
150.39 : 207.09 = 130.95 : x - Step 2: Convert to fraction form
150.39/207.09 = 130.95/x - Step 3: Cross multiply
150.39x = 207.09 × 130.95 - Step 4: Simplify right side
150.39x = 27,118.44 - Step 5: Solve for x
x = 27,118.44/150.39 - Step 6: Final answer
x = 180.32
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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.