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Finding the Fourth Proportional to 580.13, 799.25 and 432.47

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Solution

The fourth proportional to 580.13, 799.25 and 432.47 is: 595.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    580.13 : 799.25 = 432.47 : x
  2. Step 2: Convert to fraction form
    580.13/799.25 = 432.47/x
  3. Step 3: Cross multiply
    580.13x = 799.25 × 432.47
  4. Step 4: Simplify right side
    580.13x = 345,649.49
  5. Step 5: Solve for x
    x = 345,649.49/580.13
  6. Step 6: Final answer
    x = 595.81

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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.