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Finding the Fourth Proportional to 733.02, 1,012.11 and 471.18

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Solution

The fourth proportional to 733.02, 1,012.11 and 471.18 is: 650.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    733.02 : 1,012.11 = 471.18 : x
  2. Step 2: Convert to fraction form
    733.02/1,012.11 = 471.18/x
  3. Step 3: Cross multiply
    733.02x = 1,012.11 × 471.18
  4. Step 4: Simplify right side
    733.02x = 476,885.99
  5. Step 5: Solve for x
    x = 476,885.99/733.02
  6. Step 6: Final answer
    x = 650.58

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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.