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Finding the Fourth Proportional to 247.59, 370.90 and 202.23

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Solution

The fourth proportional to 247.59, 370.90 and 202.23 is: 302.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    247.59 : 370.90 = 202.23 : x
  2. Step 2: Convert to fraction form
    247.59/370.90 = 202.23/x
  3. Step 3: Cross multiply
    247.59x = 370.90 × 202.23
  4. Step 4: Simplify right side
    247.59x = 75,007.11
  5. Step 5: Solve for x
    x = 75,007.11/247.59
  6. Step 6: Final answer
    x = 302.95

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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.