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Finding the Fourth Proportional to 509.06, 763.59 and 184.43

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Solution

The fourth proportional to 509.06, 763.59 and 184.43 is: 276.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    509.06 : 763.59 = 184.43 : x
  2. Step 2: Convert to fraction form
    509.06/763.59 = 184.43/x
  3. Step 3: Cross multiply
    509.06x = 763.59 × 184.43
  4. Step 4: Simplify right side
    509.06x = 140,829.36
  5. Step 5: Solve for x
    x = 140,829.36/509.06
  6. Step 6: Final answer
    x = 276.64

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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.