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Finding the Fourth Proportional to 573.03, 859.59 and 505.04

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Solution

The fourth proportional to 573.03, 859.59 and 505.04 is: 757.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    573.03 : 859.59 = 505.04 : x
  2. Step 2: Convert to fraction form
    573.03/859.59 = 505.04/x
  3. Step 3: Cross multiply
    573.03x = 859.59 × 505.04
  4. Step 4: Simplify right side
    573.03x = 434,123.04
  5. Step 5: Solve for x
    x = 434,123.04/573.03
  6. Step 6: Final answer
    x = 757.59

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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.