Finding the Fourth Proportional to 150.08, 207.21 and 97.65
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Solution
The fourth proportional to 150.08, 207.21 and 97.65 is: 134.83
Step by Step Solution
- Step 1: Write the proportion equation
150.08 : 207.21 = 97.65 : x - Step 2: Convert to fraction form
150.08/207.21 = 97.65/x - Step 3: Cross multiply
150.08x = 207.21 × 97.65 - Step 4: Simplify right side
150.08x = 20,234.06 - Step 5: Solve for x
x = 20,234.06/150.08 - Step 6: Final answer
x = 134.83
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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.