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Finding the Fourth Proportional to 434.41, 598.48 and 323.67

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Solution

The fourth proportional to 434.41, 598.48 and 323.67 is: 445.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    434.41 : 598.48 = 323.67 : x
  2. Step 2: Convert to fraction form
    434.41/598.48 = 323.67/x
  3. Step 3: Cross multiply
    434.41x = 598.48 × 323.67
  4. Step 4: Simplify right side
    434.41x = 193,710.02
  5. Step 5: Solve for x
    x = 193,710.02/434.41
  6. Step 6: Final answer
    x = 445.92

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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.