Finding the Fourth Proportional to 351.24, 527.08 and 328.48
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Solution
The fourth proportional to 351.24, 527.08 and 328.48 is: 492.93
Step by Step Solution
- Step 1: Write the proportion equation
351.24 : 527.08 = 328.48 : x - Step 2: Convert to fraction form
351.24/527.08 = 328.48/x - Step 3: Cross multiply
351.24x = 527.08 × 328.48 - Step 4: Simplify right side
351.24x = 173,135.24 - Step 5: Solve for x
x = 173,135.24/351.24 - Step 6: Final answer
x = 492.93
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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.