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Finding the Fourth Proportional to 573.18, 792.45 and 434.03

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Solution

The fourth proportional to 573.18, 792.45 and 434.03 is: 600.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    573.18 : 792.45 = 434.03 : x
  2. Step 2: Convert to fraction form
    573.18/792.45 = 434.03/x
  3. Step 3: Cross multiply
    573.18x = 792.45 × 434.03
  4. Step 4: Simplify right side
    573.18x = 343,943.11
  5. Step 5: Solve for x
    x = 343,943.11/573.18
  6. Step 6: Final answer
    x = 600.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.