Finding the Fourth Proportional to 384.13, 528.99 and 364.08
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Solution
The fourth proportional to 384.13, 528.99 and 364.08 is: 501.38
Step by Step Solution
- Step 1: Write the proportion equation
384.13 : 528.99 = 364.08 : x - Step 2: Convert to fraction form
384.13/528.99 = 364.08/x - Step 3: Cross multiply
384.13x = 528.99 × 364.08 - Step 4: Simplify right side
384.13x = 192,594.68 - Step 5: Solve for x
x = 192,594.68/384.13 - Step 6: Final answer
x = 501.38
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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.