Finding the Fourth Proportional to 369, 509.28 and 237.99
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Solution
The fourth proportional to 369, 509.28 and 237.99 is: 328.46
Step by Step Solution
- Step 1: Write the proportion equation
369 : 509.28 = 237.99 : x - Step 2: Convert to fraction form
369/509.28 = 237.99/x - Step 3: Cross multiply
369x = 509.28 × 237.99 - Step 4: Simplify right side
369x = 121,203.55 - Step 5: Solve for x
x = 121,203.55/369 - Step 6: Final answer
x = 328.46
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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.