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Finding the Fourth Proportional to 580.36, 799.62 and 463.72

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Solution

The fourth proportional to 580.36, 799.62 and 463.72 is: 638.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    580.36 : 799.62 = 463.72 : x
  2. Step 2: Convert to fraction form
    580.36/799.62 = 463.72/x
  3. Step 3: Cross multiply
    580.36x = 799.62 × 463.72
  4. Step 4: Simplify right side
    580.36x = 370,799.79
  5. Step 5: Solve for x
    x = 370,799.79/580.36
  6. Step 6: Final answer
    x = 638.91

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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.