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Finding the Fourth Proportional to 683.11, 944.42 and 654.08

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Solution

The fourth proportional to 683.11, 944.42 and 654.08 is: 904.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    683.11 : 944.42 = 654.08 : x
  2. Step 2: Convert to fraction form
    683.11/944.42 = 654.08/x
  3. Step 3: Cross multiply
    683.11x = 944.42 × 654.08
  4. Step 4: Simplify right side
    683.11x = 617,726.23
  5. Step 5: Solve for x
    x = 617,726.23/683.11
  6. Step 6: Final answer
    x = 904.29

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1.5x scale

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.