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Finding the Fourth Proportional to 564.06, 846.37 and 317.11

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Solution

The fourth proportional to 564.06, 846.37 and 317.11 is: 475.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    564.06 : 846.37 = 317.11 : x
  2. Step 2: Convert to fraction form
    564.06/846.37 = 317.11/x
  3. Step 3: Cross multiply
    564.06x = 846.37 × 317.11
  4. Step 4: Simplify right side
    564.06x = 268,392.39
  5. Step 5: Solve for x
    x = 268,392.39/564.06
  6. Step 6: Final answer
    x = 475.82

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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.