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Finding the Fourth Proportional to 372.19, 514.26 and 359.05

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Solution

The fourth proportional to 372.19, 514.26 and 359.05 is: 496.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    372.19 : 514.26 = 359.05 : x
  2. Step 2: Convert to fraction form
    372.19/514.26 = 359.05/x
  3. Step 3: Cross multiply
    372.19x = 514.26 × 359.05
  4. Step 4: Simplify right side
    372.19x = 184,647.69
  5. Step 5: Solve for x
    x = 184,647.69/372.19
  6. Step 6: Final answer
    x = 496.11

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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.