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Finding the Fourth Proportional to 566.28, 776.39 and 565.37

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Solution

The fourth proportional to 566.28, 776.39 and 565.37 is: 775.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    566.28 : 776.39 = 565.37 : x
  2. Step 2: Convert to fraction form
    566.28/776.39 = 565.37/x
  3. Step 3: Cross multiply
    566.28x = 776.39 × 565.37
  4. Step 4: Simplify right side
    566.28x = 438,947.61
  5. Step 5: Solve for x
    x = 438,947.61/566.28
  6. Step 6: Final answer
    x = 775.14

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.