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Finding the Fourth Proportional to 436.32, 600.66 and 325.44

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Solution

The fourth proportional to 436.32, 600.66 and 325.44 is: 448.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    436.32 : 600.66 = 325.44 : x
  2. Step 2: Convert to fraction form
    436.32/600.66 = 325.44/x
  3. Step 3: Cross multiply
    436.32x = 600.66 × 325.44
  4. Step 4: Simplify right side
    436.32x = 195,478.79
  5. Step 5: Solve for x
    x = 195,478.79/436.32
  6. Step 6: Final answer
    x = 448.02

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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.