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Finding the Fourth Proportional to 673.09, 926.64 and 585.77

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Solution

The fourth proportional to 673.09, 926.64 and 585.77 is: 806.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    673.09 : 926.64 = 585.77 : x
  2. Step 2: Convert to fraction form
    673.09/926.64 = 585.77/x
  3. Step 3: Cross multiply
    673.09x = 926.64 × 585.77
  4. Step 4: Simplify right side
    673.09x = 542,793.28
  5. Step 5: Solve for x
    x = 542,793.28/673.09
  6. Step 6: Final answer
    x = 806.42

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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.