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Finding the Fourth Proportional to 509.19, 764.03 and 184.47

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Solution

The fourth proportional to 509.19, 764.03 and 184.47 is: 276.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    509.19 : 764.03 = 184.47 : x
  2. Step 2: Convert to fraction form
    509.19/764.03 = 184.47/x
  3. Step 3: Cross multiply
    509.19x = 764.03 × 184.47
  4. Step 4: Simplify right side
    509.19x = 140,939.69
  5. Step 5: Solve for x
    x = 140,939.69/509.19
  6. Step 6: Final answer
    x = 276.79

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Double scale
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Similar ratio
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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.