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Finding the Fourth Proportional to 247.36, 370.64 and 237.88

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Solution

The fourth proportional to 247.36, 370.64 and 237.88 is: 356.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    247.36 : 370.64 = 237.88 : x
  2. Step 2: Convert to fraction form
    247.36/370.64 = 237.88/x
  3. Step 3: Cross multiply
    247.36x = 370.64 × 237.88
  4. Step 4: Simplify right side
    247.36x = 88,166.67
  5. Step 5: Solve for x
    x = 88,166.67/247.36
  6. Step 6: Final answer
    x = 356.43

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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.