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Finding the Fourth Proportional to 453.24, 626.37 and 342.67

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Solution

The fourth proportional to 453.24, 626.37 and 342.67 is: 473.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    453.24 : 626.37 = 342.67 : x
  2. Step 2: Convert to fraction form
    453.24/626.37 = 342.67/x
  3. Step 3: Cross multiply
    453.24x = 626.37 × 342.67
  4. Step 4: Simplify right side
    453.24x = 214,638.21
  5. Step 5: Solve for x
    x = 214,638.21/453.24
  6. Step 6: Final answer
    x = 473.56

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.