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Finding the Fourth Proportional to 844.19, 1,164.84 and 471.16

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Solution

The fourth proportional to 844.19, 1,164.84 and 471.16 is: 650.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    844.19 : 1,164.84 = 471.16 : x
  2. Step 2: Convert to fraction form
    844.19/1,164.84 = 471.16/x
  3. Step 3: Cross multiply
    844.19x = 1,164.84 × 471.16
  4. Step 4: Simplify right side
    844.19x = 548,820.19
  5. Step 5: Solve for x
    x = 548,820.19/844.19
  6. Step 6: Final answer
    x = 650.11

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Half scale
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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.