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Finding the Fourth Proportional to 683.34, 943.32 and 435.00

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Solution

The fourth proportional to 683.34, 943.32 and 435.00 is: 600.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    683.34 : 943.32 = 435.00 : x
  2. Step 2: Convert to fraction form
    683.34/943.32 = 435.00/x
  3. Step 3: Cross multiply
    683.34x = 943.32 × 435.00
  4. Step 4: Simplify right side
    683.34x = 410,339.48
  5. Step 5: Solve for x
    x = 410,339.48/683.34
  6. Step 6: Final answer
    x = 600.49

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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.