Finding the Fourth Proportional to 370.99, 556.68 and 151.63
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Solution
The fourth proportional to 370.99, 556.68 and 151.63 is: 227.52
Step by Step Solution
- Step 1: Write the proportion equation
370.99 : 556.68 = 151.63 : x - Step 2: Convert to fraction form
370.99/556.68 = 151.63/x - Step 3: Cross multiply
370.99x = 556.68 × 151.63 - Step 4: Simplify right side
370.99x = 84,409.39 - Step 5: Solve for x
x = 84,409.39/370.99 - Step 6: Final answer
x = 227.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.