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Finding the Fourth Proportional to 375.54, 563.32 and 238.40

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Solution

The fourth proportional to 375.54, 563.32 and 238.40 is: 357.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    375.54 : 563.32 = 238.40 : x
  2. Step 2: Convert to fraction form
    375.54/563.32 = 238.40/x
  3. Step 3: Cross multiply
    375.54x = 563.32 × 238.40
  4. Step 4: Simplify right side
    375.54x = 134,295.49
  5. Step 5: Solve for x
    x = 134,295.49/375.54
  6. Step 6: Final answer
    x = 357.61

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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.