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Finding the Fourth Proportional to 507.03, 760.68 and 210.48

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Solution

The fourth proportional to 507.03, 760.68 and 210.48 is: 315.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    507.03 : 760.68 = 210.48 : x
  2. Step 2: Convert to fraction form
    507.03/760.68 = 210.48/x
  3. Step 3: Cross multiply
    507.03x = 760.68 × 210.48
  4. Step 4: Simplify right side
    507.03x = 160,107.93
  5. Step 5: Solve for x
    x = 160,107.93/507.03
  6. Step 6: Final answer
    x = 315.78

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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.