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Finding the Fourth Proportional to 554.24, 764.82 and 333.14

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Solution

The fourth proportional to 554.24, 764.82 and 333.14 is: 459.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    554.24 : 764.82 = 333.14 : x
  2. Step 2: Convert to fraction form
    554.24/764.82 = 333.14/x
  3. Step 3: Cross multiply
    554.24x = 764.82 × 333.14
  4. Step 4: Simplify right side
    554.24x = 254,792.13
  5. Step 5: Solve for x
    x = 254,792.13/554.24
  6. Step 6: Final answer
    x = 459.71

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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.