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Finding the Fourth Proportional to 732.60, 1,010.88 and 483.48

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Solution

The fourth proportional to 732.60, 1,010.88 and 483.48 is: 667.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    732.60 : 1,010.88 = 483.48 : x
  2. Step 2: Convert to fraction form
    732.60/1,010.88 = 483.48/x
  3. Step 3: Cross multiply
    732.60x = 1,010.88 × 483.48
  4. Step 4: Simplify right side
    732.60x = 488,740.26
  5. Step 5: Solve for x
    x = 488,740.26/732.60
  6. Step 6: Final answer
    x = 667.13

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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.