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Finding the Fourth Proportional to 535.95, 803.61 and 292.14

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Solution

The fourth proportional to 535.95, 803.61 and 292.14 is: 438.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    535.95 : 803.61 = 292.14 : x
  2. Step 2: Convert to fraction form
    535.95/803.61 = 292.14/x
  3. Step 3: Cross multiply
    535.95x = 803.61 × 292.14
  4. Step 4: Simplify right side
    535.95x = 234,766.63
  5. Step 5: Solve for x
    x = 234,766.63/535.95
  6. Step 6: Final answer
    x = 438.04

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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.