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Finding the Fourth Proportional to 564.59, 779.97 and 560.27

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Solution

The fourth proportional to 564.59, 779.97 and 560.27 is: 774.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    564.59 : 779.97 = 560.27 : x
  2. Step 2: Convert to fraction form
    564.59/779.97 = 560.27/x
  3. Step 3: Cross multiply
    564.59x = 779.97 × 560.27
  4. Step 4: Simplify right side
    564.59x = 436,989.89
  5. Step 5: Solve for x
    x = 436,989.89/564.59
  6. Step 6: Final answer
    x = 774.00

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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.