Finding the Fourth Proportional to 237.99, 328.44 and 144.75
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Solution
The fourth proportional to 237.99, 328.44 and 144.75 is: 199.76
Step by Step Solution
- Step 1: Write the proportion equation
237.99 : 328.44 = 144.75 : x - Step 2: Convert to fraction form
237.99/328.44 = 144.75/x - Step 3: Cross multiply
237.99x = 328.44 × 144.75 - Step 4: Simplify right side
237.99x = 47,541.69 - Step 5: Solve for x
x = 47,541.69/237.99 - Step 6: Final answer
x = 199.76
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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.