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Finding the Fourth Proportional to 971.37, 1,454.33 and 903.03

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Solution

The fourth proportional to 971.37, 1,454.33 and 903.03 is: 1,352.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    971.37 : 1,454.33 = 903.03 : x
  2. Step 2: Convert to fraction form
    971.37/1,454.33 = 903.03/x
  3. Step 3: Cross multiply
    971.37x = 1,454.33 × 903.03
  4. Step 4: Simplify right side
    971.37x = 1,313,299.10
  5. Step 5: Solve for x
    x = 1,313,299.10/971.37
  6. Step 6: Final answer
    x = 1,352.01

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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.