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Finding the Fourth Proportional to 531.84, 799.92 and 527.04

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Solution

The fourth proportional to 531.84, 799.92 and 527.04 is: 792.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    531.84 : 799.92 = 527.04 : x
  2. Step 2: Convert to fraction form
    531.84/799.92 = 527.04/x
  3. Step 3: Cross multiply
    531.84x = 799.92 × 527.04
  4. Step 4: Simplify right side
    531.84x = 421,589.84
  5. Step 5: Solve for x
    x = 421,589.84/531.84
  6. Step 6: Final answer
    x = 792.70

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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.