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Finding the Fourth Proportional to 372.60, 513.54 and 362.34

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Solution

The fourth proportional to 372.60, 513.54 and 362.34 is: 499.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    372.60 : 513.54 = 362.34 : x
  2. Step 2: Convert to fraction form
    372.60/513.54 = 362.34/x
  3. Step 3: Cross multiply
    372.60x = 513.54 × 362.34
  4. Step 4: Simplify right side
    372.60x = 186,076.08
  5. Step 5: Solve for x
    x = 186,076.08/372.60
  6. Step 6: Final answer
    x = 499.40

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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.