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Finding the Fourth Proportional to 971.35, 1,456.56 and 532.46

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Solution

The fourth proportional to 971.35, 1,456.56 and 532.46 is: 798.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    971.35 : 1,456.56 = 532.46 : x
  2. Step 2: Convert to fraction form
    971.35/1,456.56 = 532.46/x
  3. Step 3: Cross multiply
    971.35x = 1,456.56 × 532.46
  4. Step 4: Simplify right side
    971.35x = 775,559.94
  5. Step 5: Solve for x
    x = 775,559.94/971.35
  6. Step 6: Final answer
    x = 798.44

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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.