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Finding the Fourth Proportional to 732.14, 1,010.92 and 483.80

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Solution

The fourth proportional to 732.14, 1,010.92 and 483.80 is: 668.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    732.14 : 1,010.92 = 483.80 : x
  2. Step 2: Convert to fraction form
    732.14/1,010.92 = 483.80/x
  3. Step 3: Cross multiply
    732.14x = 1,010.92 × 483.80
  4. Step 4: Simplify right side
    732.14x = 489,084.41
  5. Step 5: Solve for x
    x = 489,084.41/732.14
  6. Step 6: Final answer
    x = 668.02

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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.