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Finding the Fourth Proportional to 888.21, 1,333 and 614.70

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Solution

The fourth proportional to 888.21, 1,333 and 614.70 is: 922.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    888.21 : 1,333 = 614.70 : x
  2. Step 2: Convert to fraction form
    888.21/1,333 = 614.70/x
  3. Step 3: Cross multiply
    888.21x = 1,333 × 614.70
  4. Step 4: Simplify right side
    888.21x = 819,395.10
  5. Step 5: Solve for x
    x = 819,395.10/888.21
  6. Step 6: Final answer
    x = 922.52

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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.