Finding the Fourth Proportional to 554.60, 831.99 and 310.60
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Solution
The fourth proportional to 554.60, 831.99 and 310.60 is: 465.95
Step by Step Solution
- Step 1: Write the proportion equation
554.60 : 831.99 = 310.60 : x - Step 2: Convert to fraction form
554.60/831.99 = 310.60/x - Step 3: Cross multiply
554.60x = 831.99 × 310.60 - Step 4: Simplify right side
554.60x = 258,416.09 - Step 5: Solve for x
x = 258,416.09/554.60 - Step 6: Final answer
x = 465.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.