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Finding the Fourth Proportional to 403.00, 556.54 and 333.29

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Solution

The fourth proportional to 403.00, 556.54 and 333.29 is: 460.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    403.00 : 556.54 = 333.29 : x
  2. Step 2: Convert to fraction form
    403.00/556.54 = 333.29/x
  3. Step 3: Cross multiply
    403.00x = 556.54 × 333.29
  4. Step 4: Simplify right side
    403.00x = 185,489.77
  5. Step 5: Solve for x
    x = 185,489.77/403.00
  6. Step 6: Final answer
    x = 460.28

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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.