Finding the Fourth Proportional to 383.18, 527.19 and 295.70
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Solution
The fourth proportional to 383.18, 527.19 and 295.70 is: 406.83
Step by Step Solution
- Step 1: Write the proportion equation
383.18 : 527.19 = 295.70 : x - Step 2: Convert to fraction form
383.18/527.19 = 295.70/x - Step 3: Cross multiply
383.18x = 527.19 × 295.70 - Step 4: Simplify right side
383.18x = 155,890.08 - Step 5: Solve for x
x = 155,890.08/383.18 - Step 6: Final answer
x = 406.83
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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.