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Finding the Fourth Proportional to 535.49, 803.23 and 246.93

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Solution

The fourth proportional to 535.49, 803.23 and 246.93 is: 370.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    535.49 : 803.23 = 246.93 : x
  2. Step 2: Convert to fraction form
    535.49/803.23 = 246.93/x
  3. Step 3: Cross multiply
    535.49x = 803.23 × 246.93
  4. Step 4: Simplify right side
    535.49x = 198,341.58
  5. Step 5: Solve for x
    x = 198,341.58/535.49
  6. Step 6: Final answer
    x = 370.39

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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.