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Finding the Fourth Proportional to 554.31, 830.99 and 246.06

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Solution

The fourth proportional to 554.31, 830.99 and 246.06 is: 368.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    554.31 : 830.99 = 246.06 : x
  2. Step 2: Convert to fraction form
    554.31/830.99 = 246.06/x
  3. Step 3: Cross multiply
    554.31x = 830.99 × 246.06
  4. Step 4: Simplify right side
    554.31x = 204,474.01
  5. Step 5: Solve for x
    x = 204,474.01/554.31
  6. Step 6: Final answer
    x = 368.88

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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.