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Finding the Fourth Proportional to 373.04, 514.24 and 320.33

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Solution

The fourth proportional to 373.04, 514.24 and 320.33 is: 441.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    373.04 : 514.24 = 320.33 : x
  2. Step 2: Convert to fraction form
    373.04/514.24 = 320.33/x
  3. Step 3: Cross multiply
    373.04x = 514.24 × 320.33
  4. Step 4: Simplify right side
    373.04x = 164,722.33
  5. Step 5: Solve for x
    x = 164,722.33/373.04
  6. Step 6: Final answer
    x = 441.57

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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.