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Finding the Fourth Proportional to 334.40, 501.36 and 276.32

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Solution

The fourth proportional to 334.40, 501.36 and 276.32 is: 414.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.40 : 501.36 = 276.32 : x
  2. Step 2: Convert to fraction form
    334.40/501.36 = 276.32/x
  3. Step 3: Cross multiply
    334.40x = 501.36 × 276.32
  4. Step 4: Simplify right side
    334.40x = 138,535.80
  5. Step 5: Solve for x
    x = 138,535.80/334.40
  6. Step 6: Final answer
    x = 414.28

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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.