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Finding the Fourth Proportional to 375.99, 519.77 and 372.50

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Solution

The fourth proportional to 375.99, 519.77 and 372.50 is: 514.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    375.99 : 519.77 = 372.50 : x
  2. Step 2: Convert to fraction form
    375.99/519.77 = 372.50/x
  3. Step 3: Cross multiply
    375.99x = 519.77 × 372.50
  4. Step 4: Simplify right side
    375.99x = 193,612.51
  5. Step 5: Solve for x
    x = 193,612.51/375.99
  6. Step 6: Final answer
    x = 514.94

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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.