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Finding the Fourth Proportional to 403.06, 556.18 and 237.24

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Solution

The fourth proportional to 403.06, 556.18 and 237.24 is: 327.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    403.06 : 556.18 = 237.24 : x
  2. Step 2: Convert to fraction form
    403.06/556.18 = 237.24/x
  3. Step 3: Cross multiply
    403.06x = 556.18 × 237.24
  4. Step 4: Simplify right side
    403.06x = 131,948.14
  5. Step 5: Solve for x
    x = 131,948.14/403.06
  6. Step 6: Final answer
    x = 327.37

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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.