Finding the Fourth Proportional to 403.74, 556.99 and 246.32
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Solution
The fourth proportional to 403.74, 556.99 and 246.32 is: 339.82
Step by Step Solution
- Step 1: Write the proportion equation
403.74 : 556.99 = 246.32 : x - Step 2: Convert to fraction form
403.74/556.99 = 246.32/x - Step 3: Cross multiply
403.74x = 556.99 × 246.32 - Step 4: Simplify right side
403.74x = 137,197.78 - Step 5: Solve for x
x = 137,197.78/403.74 - Step 6: Final answer
x = 339.82
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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.