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Finding the Fourth Proportional to 683.49, 941.16 and 585.03

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Solution

The fourth proportional to 683.49, 941.16 and 585.03 is: 805.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    683.49 : 941.16 = 585.03 : x
  2. Step 2: Convert to fraction form
    683.49/941.16 = 585.03/x
  3. Step 3: Cross multiply
    683.49x = 941.16 × 585.03
  4. Step 4: Simplify right side
    683.49x = 550,606.83
  5. Step 5: Solve for x
    x = 550,606.83/683.49
  6. Step 6: Final answer
    x = 805.58

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Double scale
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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.