Finding the Fourth Proportional to 237.93, 328.23 and 154.95
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Solution
The fourth proportional to 237.93, 328.23 and 154.95 is: 213.76
Step by Step Solution
- Step 1: Write the proportion equation
237.93 : 328.23 = 154.95 : x - Step 2: Convert to fraction form
237.93/328.23 = 154.95/x - Step 3: Cross multiply
237.93x = 328.23 × 154.95 - Step 4: Simplify right side
237.93x = 50,859.24 - Step 5: Solve for x
x = 50,859.24/237.93 - Step 6: Final answer
x = 213.76
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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.