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Finding the Fourth Proportional to 580.88, 801.96 and 348.08

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Solution

The fourth proportional to 580.88, 801.96 and 348.08 is: 480.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    580.88 : 801.96 = 348.08 : x
  2. Step 2: Convert to fraction form
    580.88/801.96 = 348.08/x
  3. Step 3: Cross multiply
    580.88x = 801.96 × 348.08
  4. Step 4: Simplify right side
    580.88x = 279,146.24
  5. Step 5: Solve for x
    x = 279,146.24/580.88
  6. Step 6: Final answer
    x = 480.56

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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.