Finding the Fourth Proportional to 507.43, 699.99 and 310.99
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Solution
The fourth proportional to 507.43, 699.99 and 310.99 is: 429.00
Step by Step Solution
- Step 1: Write the proportion equation
507.43 : 699.99 = 310.99 : x - Step 2: Convert to fraction form
507.43/699.99 = 310.99/x - Step 3: Cross multiply
507.43x = 699.99 × 310.99 - Step 4: Simplify right side
507.43x = 217,689.89 - Step 5: Solve for x
x = 217,689.89/507.43 - Step 6: Final answer
x = 429.00
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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.