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Finding the Fourth Proportional to 844.35, 1,165.25 and 471.36

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Solution

The fourth proportional to 844.35, 1,165.25 and 471.36 is: 650.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    844.35 : 1,165.25 = 471.36 : x
  2. Step 2: Convert to fraction form
    844.35/1,165.25 = 471.36/x
  3. Step 3: Cross multiply
    844.35x = 1,165.25 × 471.36
  4. Step 4: Simplify right side
    844.35x = 549,249.88
  5. Step 5: Solve for x
    x = 549,249.88/844.35
  6. Step 6: Final answer
    x = 650.50

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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.