Finding the Fourth Proportional to 403.13, 603.68 and 366.14
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Solution
The fourth proportional to 403.13, 603.68 and 366.14 is: 548.28
Step by Step Solution
- Step 1: Write the proportion equation
403.13 : 603.68 = 366.14 : x - Step 2: Convert to fraction form
403.13/603.68 = 366.14/x - Step 3: Cross multiply
403.13x = 603.68 × 366.14 - Step 4: Simplify right side
403.13x = 221,026.55 - Step 5: Solve for x
x = 221,026.55/403.13 - Step 6: Final answer
x = 548.28
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.