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Finding the Fourth Proportional to 534.90, 803.01 and 352.45

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Solution

The fourth proportional to 534.90, 803.01 and 352.45 is: 529.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    534.90 : 803.01 = 352.45 : x
  2. Step 2: Convert to fraction form
    534.90/803.01 = 352.45/x
  3. Step 3: Cross multiply
    534.90x = 803.01 × 352.45
  4. Step 4: Simplify right side
    534.90x = 283,023.20
  5. Step 5: Solve for x
    x = 283,023.20/534.90
  6. Step 6: Final answer
    x = 529.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.