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Finding the Fourth Proportional to 375.87, 564.75 and 238.98

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Solution

The fourth proportional to 375.87, 564.75 and 238.98 is: 359.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    375.87 : 564.75 = 238.98 : x
  2. Step 2: Convert to fraction form
    375.87/564.75 = 238.98/x
  3. Step 3: Cross multiply
    375.87x = 564.75 × 238.98
  4. Step 4: Simplify right side
    375.87x = 134,963.96
  5. Step 5: Solve for x
    x = 134,963.96/375.87
  6. Step 6: Final answer
    x = 359.07

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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.