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Finding the Fourth Proportional to 732.03, 1,010.37 and 483.22

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Solution

The fourth proportional to 732.03, 1,010.37 and 483.22 is: 666.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    732.03 : 1,010.37 = 483.22 : x
  2. Step 2: Convert to fraction form
    732.03/1,010.37 = 483.22/x
  3. Step 3: Cross multiply
    732.03x = 1,010.37 × 483.22
  4. Step 4: Simplify right side
    732.03x = 488,230.99
  5. Step 5: Solve for x
    x = 488,230.99/732.03
  6. Step 6: Final answer
    x = 666.95

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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.