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Finding the Fourth Proportional to 535.02, 801.84 and 245.82

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Solution

The fourth proportional to 535.02, 801.84 and 245.82 is: 368.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    535.02 : 801.84 = 245.82 : x
  2. Step 2: Convert to fraction form
    535.02/801.84 = 245.82/x
  3. Step 3: Cross multiply
    535.02x = 801.84 × 245.82
  4. Step 4: Simplify right side
    535.02x = 197,108.31
  5. Step 5: Solve for x
    x = 197,108.31/535.02
  6. Step 6: Final answer
    x = 368.41

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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.