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Finding the Fourth Proportional to 178.18, 267.35 and 62.67

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Solution

The fourth proportional to 178.18, 267.35 and 62.67 is: 94.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    178.18 : 267.35 = 62.67 : x
  2. Step 2: Convert to fraction form
    178.18/267.35 = 62.67/x
  3. Step 3: Cross multiply
    178.18x = 267.35 × 62.67
  4. Step 4: Simplify right side
    178.18x = 16,754.82
  5. Step 5: Solve for x
    x = 16,754.82/178.18
  6. Step 6: Final answer
    x = 94.03

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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.