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Finding the Fourth Proportional to 539.10, 802.19 and 537.28

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Solution

The fourth proportional to 539.10, 802.19 and 537.28 is: 799.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    539.10 : 802.19 = 537.28 : x
  2. Step 2: Convert to fraction form
    539.10/802.19 = 537.28/x
  3. Step 3: Cross multiply
    539.10x = 802.19 × 537.28
  4. Step 4: Simplify right side
    539.10x = 430,999.98
  5. Step 5: Solve for x
    x = 430,999.98/539.10
  6. Step 6: Final answer
    x = 799.48

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.