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Finding the Fourth Proportional to 336.18, 499.65 and 310.26

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Solution

The fourth proportional to 336.18, 499.65 and 310.26 is: 461.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.18 : 499.65 = 310.26 : x
  2. Step 2: Convert to fraction form
    336.18/499.65 = 310.26/x
  3. Step 3: Cross multiply
    336.18x = 499.65 × 310.26
  4. Step 4: Simplify right side
    336.18x = 155,021.41
  5. Step 5: Solve for x
    x = 155,021.41/336.18
  6. Step 6: Final answer
    x = 461.13

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.