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Finding the Fourth Proportional to 583.43, 805.22 and 373.53

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Solution

The fourth proportional to 583.43, 805.22 and 373.53 is: 515.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    583.43 : 805.22 = 373.53 : x
  2. Step 2: Convert to fraction form
    583.43/805.22 = 373.53/x
  3. Step 3: Cross multiply
    583.43x = 805.22 × 373.53
  4. Step 4: Simplify right side
    583.43x = 300,771.96
  5. Step 5: Solve for x
    x = 300,771.96/583.43
  6. Step 6: Final answer
    x = 515.53

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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.