Finding the Fourth Proportional to 624.60, 936.99 and 351.23
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Solution
The fourth proportional to 624.60, 936.99 and 351.23 is: 526.89
Step by Step Solution
- Step 1: Write the proportion equation
624.60 : 936.99 = 351.23 : x - Step 2: Convert to fraction form
624.60/936.99 = 351.23/x - Step 3: Cross multiply
624.60x = 936.99 × 351.23 - Step 4: Simplify right side
624.60x = 329,094.31 - Step 5: Solve for x
x = 329,094.31/624.60 - Step 6: Final answer
x = 526.89
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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.