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Finding the Fourth Proportional to 401.58, 601.83 and 236.88

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Solution

The fourth proportional to 401.58, 601.83 and 236.88 is: 355.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    401.58 : 601.83 = 236.88 : x
  2. Step 2: Convert to fraction form
    401.58/601.83 = 236.88/x
  3. Step 3: Cross multiply
    401.58x = 601.83 × 236.88
  4. Step 4: Simplify right side
    401.58x = 142,561.49
  5. Step 5: Solve for x
    x = 142,561.49/401.58
  6. Step 6: Final answer
    x = 355.00

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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.