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Finding the Fourth Proportional to 535.32, 803.04 and 246.72

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Solution

The fourth proportional to 535.32, 803.04 and 246.72 is: 370.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    535.32 : 803.04 = 246.72 : x
  2. Step 2: Convert to fraction form
    535.32/803.04 = 246.72/x
  3. Step 3: Cross multiply
    535.32x = 803.04 × 246.72
  4. Step 4: Simplify right side
    535.32x = 198,126.03
  5. Step 5: Solve for x
    x = 198,126.03/535.32
  6. Step 6: Final answer
    x = 370.11

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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.