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Finding the Fourth Proportional to 903.17, 1,246.01 and 548.96

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Solution

The fourth proportional to 903.17, 1,246.01 and 548.96 is: 757.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    903.17 : 1,246.01 = 548.96 : x
  2. Step 2: Convert to fraction form
    903.17/1,246.01 = 548.96/x
  3. Step 3: Cross multiply
    903.17x = 1,246.01 × 548.96
  4. Step 4: Simplify right side
    903.17x = 684,000.67
  5. Step 5: Solve for x
    x = 684,000.67/903.17
  6. Step 6: Final answer
    x = 757.34

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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.