Finding the Fourth Proportional to 898.02, 1,239.41 and 524.99
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Solution
The fourth proportional to 898.02, 1,239.41 and 524.99 is: 724.57
Step by Step Solution
- Step 1: Write the proportion equation
898.02 : 1,239.41 = 524.99 : x - Step 2: Convert to fraction form
898.02/1,239.41 = 524.99/x - Step 3: Cross multiply
898.02x = 1,239.41 × 524.99 - Step 4: Simplify right side
898.02x = 650,675.23 - Step 5: Solve for x
x = 650,675.23/898.02 - Step 6: Final answer
x = 724.57
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.