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Finding the Fourth Proportional to 373.60, 513.02 and 299.35

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Solution

The fourth proportional to 373.60, 513.02 and 299.35 is: 411.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    373.60 : 513.02 = 299.35 : x
  2. Step 2: Convert to fraction form
    373.60/513.02 = 299.35/x
  3. Step 3: Cross multiply
    373.60x = 513.02 × 299.35
  4. Step 4: Simplify right side
    373.60x = 153,572.54
  5. Step 5: Solve for x
    x = 153,572.54/373.60
  6. Step 6: Final answer
    x = 411.06

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.