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Finding the Fourth Proportional to 410.58, 615.09 and 376.74

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Solution

The fourth proportional to 410.58, 615.09 and 376.74 is: 564.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    410.58 : 615.09 = 376.74 : x
  2. Step 2: Convert to fraction form
    410.58/615.09 = 376.74/x
  3. Step 3: Cross multiply
    410.58x = 615.09 × 376.74
  4. Step 4: Simplify right side
    410.58x = 231,733.45
  5. Step 5: Solve for x
    x = 231,733.45/410.58
  6. Step 6: Final answer
    x = 564.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.