Finding the Fourth Proportional to 370.28, 510.99 and 212.94
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Solution
The fourth proportional to 370.28, 510.99 and 212.94 is: 293.86
Step by Step Solution
- Step 1: Write the proportion equation
370.28 : 510.99 = 212.94 : x - Step 2: Convert to fraction form
370.28/510.99 = 212.94/x - Step 3: Cross multiply
370.28x = 510.99 × 212.94 - Step 4: Simplify right side
370.28x = 108,812.24 - Step 5: Solve for x
x = 108,812.24/370.28 - Step 6: Final answer
x = 293.86
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.