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Finding the Fourth Proportional to 535.14, 803.08 and 352.46

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Solution

The fourth proportional to 535.14, 803.08 and 352.46 is: 528.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    535.14 : 803.08 = 352.46 : x
  2. Step 2: Convert to fraction form
    535.14/803.08 = 352.46/x
  3. Step 3: Cross multiply
    535.14x = 803.08 × 352.46
  4. Step 4: Simplify right side
    535.14x = 283,053.58
  5. Step 5: Solve for x
    x = 283,053.58/535.14
  6. Step 6: Final answer
    x = 528.93

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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.