Finding the Fourth Proportional to 150.19, 207.36 and 97.77
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Solution
The fourth proportional to 150.19, 207.36 and 97.77 is: 134.99
Step by Step Solution
- Step 1: Write the proportion equation
150.19 : 207.36 = 97.77 : x - Step 2: Convert to fraction form
150.19/207.36 = 97.77/x - Step 3: Cross multiply
150.19x = 207.36 × 97.77 - Step 4: Simplify right side
150.19x = 20,274.36 - Step 5: Solve for x
x = 20,274.36/150.19 - Step 6: Final answer
x = 134.99
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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.