Finding the Fourth Proportional to 430.93, 595.10 and 313.08
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Solution
The fourth proportional to 430.93, 595.10 and 313.08 is: 432.35
Step by Step Solution
- Step 1: Write the proportion equation
430.93 : 595.10 = 313.08 : x - Step 2: Convert to fraction form
430.93/595.10 = 313.08/x - Step 3: Cross multiply
430.93x = 595.10 × 313.08 - Step 4: Simplify right side
430.93x = 186,313.91 - Step 5: Solve for x
x = 186,313.91/430.93 - Step 6: Final answer
x = 432.35
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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.