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Finding the Fourth Proportional to 534.60, 807.03 and 529.20

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Solution

The fourth proportional to 534.60, 807.03 and 529.20 is: 798.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    534.60 : 807.03 = 529.20 : x
  2. Step 2: Convert to fraction form
    534.60/807.03 = 529.20/x
  3. Step 3: Cross multiply
    534.60x = 807.03 × 529.20
  4. Step 4: Simplify right side
    534.60x = 427,080.28
  5. Step 5: Solve for x
    x = 427,080.28/534.60
  6. Step 6: Final answer
    x = 798.88

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.