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Finding the Fourth Proportional to 560.32, 773.23 and 308.26

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Solution

The fourth proportional to 560.32, 773.23 and 308.26 is: 425.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    560.32 : 773.23 = 308.26 : x
  2. Step 2: Convert to fraction form
    560.32/773.23 = 308.26/x
  3. Step 3: Cross multiply
    560.32x = 773.23 × 308.26
  4. Step 4: Simplify right side
    560.32x = 238,352.30
  5. Step 5: Solve for x
    x = 238,352.30/560.32
  6. Step 6: Final answer
    x = 425.39

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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.