Finding the Fourth Proportional to 383.49, 529.18 and 252.67
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Solution
The fourth proportional to 383.49, 529.18 and 252.67 is: 348.66
Step by Step Solution
- Step 1: Write the proportion equation
383.49 : 529.18 = 252.67 : x - Step 2: Convert to fraction form
383.49/529.18 = 252.67/x - Step 3: Cross multiply
383.49x = 529.18 × 252.67 - Step 4: Simplify right side
383.49x = 133,707.91 - Step 5: Solve for x
x = 133,707.91/383.49 - Step 6: Final answer
x = 348.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.