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Finding the Fourth Proportional to 373.56, 559.91 and 236.40

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Solution

The fourth proportional to 373.56, 559.91 and 236.40 is: 354.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    373.56 : 559.91 = 236.40 : x
  2. Step 2: Convert to fraction form
    373.56/559.91 = 236.40/x
  3. Step 3: Cross multiply
    373.56x = 559.91 × 236.40
  4. Step 4: Simplify right side
    373.56x = 132,361.54
  5. Step 5: Solve for x
    x = 132,361.54/373.56
  6. Step 6: Final answer
    x = 354.32

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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.