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Finding the Fourth Proportional to 334.04, 500.78 and 262.22

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Solution

The fourth proportional to 334.04, 500.78 and 262.22 is: 393.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.04 : 500.78 = 262.22 : x
  2. Step 2: Convert to fraction form
    334.04/500.78 = 262.22/x
  3. Step 3: Cross multiply
    334.04x = 500.78 × 262.22
  4. Step 4: Simplify right side
    334.04x = 131,314.53
  5. Step 5: Solve for x
    x = 131,314.53/334.04
  6. Step 6: Final answer
    x = 393.11

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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.