Finding the Fourth Proportional to 369.08, 509.28 and 203.26
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Solution
The fourth proportional to 369.08, 509.28 and 203.26 is: 280.47
Step by Step Solution
- Step 1: Write the proportion equation
369.08 : 509.28 = 203.26 : x - Step 2: Convert to fraction form
369.08/509.28 = 203.26/x - Step 3: Cross multiply
369.08x = 509.28 × 203.26 - Step 4: Simplify right side
369.08x = 103,516.25 - Step 5: Solve for x
x = 103,516.25/369.08 - Step 6: Final answer
x = 280.47
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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.