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Finding the Fourth Proportional to 474.37, 712.24 and 302.13

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Solution

The fourth proportional to 474.37, 712.24 and 302.13 is: 453.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    474.37 : 712.24 = 302.13 : x
  2. Step 2: Convert to fraction form
    474.37/712.24 = 302.13/x
  3. Step 3: Cross multiply
    474.37x = 712.24 × 302.13
  4. Step 4: Simplify right side
    474.37x = 215,188.32
  5. Step 5: Solve for x
    x = 215,188.32/474.37
  6. Step 6: Final answer
    x = 453.63

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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.