Finding the Fourth Proportional to 371.18, 558.75 and 284.99
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Solution
The fourth proportional to 371.18, 558.75 and 284.99 is: 429.01
Step by Step Solution
- Step 1: Write the proportion equation
371.18 : 558.75 = 284.99 : x - Step 2: Convert to fraction form
371.18/558.75 = 284.99/x - Step 3: Cross multiply
371.18x = 558.75 × 284.99 - Step 4: Simplify right side
371.18x = 159,239.55 - Step 5: Solve for x
x = 159,239.55/371.18 - Step 6: Final answer
x = 429.01
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.