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Finding the Fourth Proportional to 554.08, 764.92 and 367.72

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Solution

The fourth proportional to 554.08, 764.92 and 367.72 is: 507.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    554.08 : 764.92 = 367.72 : x
  2. Step 2: Convert to fraction form
    554.08/764.92 = 367.72/x
  3. Step 3: Cross multiply
    554.08x = 764.92 × 367.72
  4. Step 4: Simplify right side
    554.08x = 281,276.38
  5. Step 5: Solve for x
    x = 281,276.38/554.08
  6. Step 6: Final answer
    x = 507.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.