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Finding the Fourth Proportional to 564.01, 846.78 and 290.27

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Solution

The fourth proportional to 564.01, 846.78 and 290.27 is: 435.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    564.01 : 846.78 = 290.27 : x
  2. Step 2: Convert to fraction form
    564.01/846.78 = 290.27/x
  3. Step 3: Cross multiply
    564.01x = 846.78 × 290.27
  4. Step 4: Simplify right side
    564.01x = 245,795.86
  5. Step 5: Solve for x
    x = 245,795.86/564.01
  6. Step 6: Final answer
    x = 435.80

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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.