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Finding the Fourth Proportional to 403.33, 556.41 and 237.49

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Solution

The fourth proportional to 403.33, 556.41 and 237.49 is: 327.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    403.33 : 556.41 = 237.49 : x
  2. Step 2: Convert to fraction form
    403.33/556.41 = 237.49/x
  3. Step 3: Cross multiply
    403.33x = 556.41 × 237.49
  4. Step 4: Simplify right side
    403.33x = 132,141.81
  5. Step 5: Solve for x
    x = 132,141.81/403.33
  6. Step 6: Final answer
    x = 327.63

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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.