Finding the Fourth Proportional to 230.75, 346.19 and 93.77
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Solution
The fourth proportional to 230.75, 346.19 and 93.77 is: 140.68
Step by Step Solution
- Step 1: Write the proportion equation
230.75 : 346.19 = 93.77 : x - Step 2: Convert to fraction form
230.75/346.19 = 93.77/x - Step 3: Cross multiply
230.75x = 346.19 × 93.77 - Step 4: Simplify right side
230.75x = 32,462.24 - Step 5: Solve for x
x = 32,462.24/230.75 - Step 6: Final answer
x = 140.68
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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.