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Finding the Fourth Proportional to 247.32, 370.62 and 230.94

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Solution

The fourth proportional to 247.32, 370.62 and 230.94 is: 346.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    247.32 : 370.62 = 230.94 : x
  2. Step 2: Convert to fraction form
    247.32/370.62 = 230.94/x
  3. Step 3: Cross multiply
    247.32x = 370.62 × 230.94
  4. Step 4: Simplify right side
    247.32x = 85,590.98
  5. Step 5: Solve for x
    x = 85,590.98/247.32
  6. Step 6: Final answer
    x = 346.07

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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.