Finding the Fourth Proportional to 376.91, 565.34 and 102.99
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Solution
The fourth proportional to 376.91, 565.34 and 102.99 is: 154.48
Step by Step Solution
- Step 1: Write the proportion equation
376.91 : 565.34 = 102.99 : x - Step 2: Convert to fraction form
376.91/565.34 = 102.99/x - Step 3: Cross multiply
376.91x = 565.34 × 102.99 - Step 4: Simplify right side
376.91x = 58,224.24 - Step 5: Solve for x
x = 58,224.24/376.91 - Step 6: Final answer
x = 154.48
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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.