Finding the Fourth Proportional to 230.24, 345.07 and 93.21
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Solution
The fourth proportional to 230.24, 345.07 and 93.21 is: 139.70
Step by Step Solution
- Step 1: Write the proportion equation
230.24 : 345.07 = 93.21 : x - Step 2: Convert to fraction form
230.24/345.07 = 93.21/x - Step 3: Cross multiply
230.24x = 345.07 × 93.21 - Step 4: Simplify right side
230.24x = 32,163.97 - Step 5: Solve for x
x = 32,163.97/230.24 - Step 6: Final answer
x = 139.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.