Finding the Fourth Proportional to 403.70, 556.97 and 263.90
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Solution
The fourth proportional to 403.70, 556.97 and 263.90 is: 364.09
Step by Step Solution
- Step 1: Write the proportion equation
403.70 : 556.97 = 263.90 : x - Step 2: Convert to fraction form
403.70/556.97 = 263.90/x - Step 3: Cross multiply
403.70x = 556.97 × 263.90 - Step 4: Simplify right side
403.70x = 146,984.42 - Step 5: Solve for x
x = 146,984.42/403.70 - Step 6: Final answer
x = 364.09
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.