Finding the Fourth Proportional to 332.64, 459.14 and 201.64
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Solution
The fourth proportional to 332.64, 459.14 and 201.64 is: 278.32
Step by Step Solution
- Step 1: Write the proportion equation
332.64 : 459.14 = 201.64 : x - Step 2: Convert to fraction form
332.64/459.14 = 201.64/x - Step 3: Cross multiply
332.64x = 459.14 × 201.64 - Step 4: Simplify right side
332.64x = 92,580.99 - Step 5: Solve for x
x = 92,580.99/332.64 - Step 6: Final answer
x = 278.32
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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.