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Finding the Fourth Proportional to 430.47, 594.04 and 253.43

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Solution

The fourth proportional to 430.47, 594.04 and 253.43 is: 349.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    430.47 : 594.04 = 253.43 : x
  2. Step 2: Convert to fraction form
    430.47/594.04 = 253.43/x
  3. Step 3: Cross multiply
    430.47x = 594.04 × 253.43
  4. Step 4: Simplify right side
    430.47x = 150,548.41
  5. Step 5: Solve for x
    x = 150,548.41/430.47
  6. Step 6: Final answer
    x = 349.73

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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.