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Finding the Fourth Proportional to 377.56, 521.04 and 267.07

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Solution

The fourth proportional to 377.56, 521.04 and 267.07 is: 368.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    377.56 : 521.04 = 267.07 : x
  2. Step 2: Convert to fraction form
    377.56/521.04 = 267.07/x
  3. Step 3: Cross multiply
    377.56x = 521.04 × 267.07
  4. Step 4: Simplify right side
    377.56x = 139,154.15
  5. Step 5: Solve for x
    x = 139,154.15/377.56
  6. Step 6: Final answer
    x = 368.56

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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.