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Finding the Fourth Proportional to 496.26, 684.09 and 430.02

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Solution

The fourth proportional to 496.26, 684.09 and 430.02 is: 592.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    496.26 : 684.09 = 430.02 : x
  2. Step 2: Convert to fraction form
    496.26/684.09 = 430.02/x
  3. Step 3: Cross multiply
    496.26x = 684.09 × 430.02
  4. Step 4: Simplify right side
    496.26x = 294,172.38
  5. Step 5: Solve for x
    x = 294,172.38/496.26
  6. Step 6: Final answer
    x = 592.78

Related Problems

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Double scale
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Similar ratio
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1.5x scale

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.