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Finding the Fourth Proportional to 609.24, 840.52 and 373.08

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Solution

The fourth proportional to 609.24, 840.52 and 373.08 is: 514.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    609.24 : 840.52 = 373.08 : x
  2. Step 2: Convert to fraction form
    609.24/840.52 = 373.08/x
  3. Step 3: Cross multiply
    609.24x = 840.52 × 373.08
  4. Step 4: Simplify right side
    609.24x = 313,581.20
  5. Step 5: Solve for x
    x = 313,581.20/609.24
  6. Step 6: Final answer
    x = 514.71

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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.