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Finding the Fourth Proportional to 451.96, 677.00 and 360.16

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Solution

The fourth proportional to 451.96, 677.00 and 360.16 is: 539.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    451.96 : 677.00 = 360.16 : x
  2. Step 2: Convert to fraction form
    451.96/677.00 = 360.16/x
  3. Step 3: Cross multiply
    451.96x = 677.00 × 360.16
  4. Step 4: Simplify right side
    451.96x = 243,826.52
  5. Step 5: Solve for x
    x = 243,826.52/451.96
  6. Step 6: Final answer
    x = 539.49

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Double scale
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Similar ratio
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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.