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Finding the Fourth Proportional to 310.04, 464.08 and 194.60

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Solution

The fourth proportional to 310.04, 464.08 and 194.60 is: 291.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    310.04 : 464.08 = 194.60 : x
  2. Step 2: Convert to fraction form
    310.04/464.08 = 194.60/x
  3. Step 3: Cross multiply
    310.04x = 464.08 × 194.60
  4. Step 4: Simplify right side
    310.04x = 90,309.97
  5. Step 5: Solve for x
    x = 90,309.97/310.04
  6. Step 6: Final answer
    x = 291.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.