Finding the Fourth Proportional to 383.57, 529.15 and 234.13
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Solution
The fourth proportional to 383.57, 529.15 and 234.13 is: 322.99
Step by Step Solution
- Step 1: Write the proportion equation
383.57 : 529.15 = 234.13 : x - Step 2: Convert to fraction form
383.57/529.15 = 234.13/x - Step 3: Cross multiply
383.57x = 529.15 × 234.13 - Step 4: Simplify right side
383.57x = 123,889.89 - Step 5: Solve for x
x = 123,889.89/383.57 - Step 6: Final answer
x = 322.99
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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.