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Finding the Fourth Proportional to 262.53, 362.18 and 151.98

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Solution

The fourth proportional to 262.53, 362.18 and 151.98 is: 209.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    262.53 : 362.18 = 151.98 : x
  2. Step 2: Convert to fraction form
    262.53/362.18 = 151.98/x
  3. Step 3: Cross multiply
    262.53x = 362.18 × 151.98
  4. Step 4: Simplify right side
    262.53x = 55,043.36
  5. Step 5: Solve for x
    x = 55,043.36/262.53
  6. Step 6: Final answer
    x = 209.67

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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.