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Finding the Fourth Proportional to 508.37, 763.58 and 303.34

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Solution

The fourth proportional to 508.37, 763.58 and 303.34 is: 455.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    508.37 : 763.58 = 303.34 : x
  2. Step 2: Convert to fraction form
    508.37/763.58 = 303.34/x
  3. Step 3: Cross multiply
    508.37x = 763.58 × 303.34
  4. Step 4: Simplify right side
    508.37x = 231,626.27
  5. Step 5: Solve for x
    x = 231,626.27/508.37
  6. Step 6: Final answer
    x = 455.62

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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.