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Finding the Fourth Proportional to 501.58, 752.26 and 136.41

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Solution

The fourth proportional to 501.58, 752.26 and 136.41 is: 204.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    501.58 : 752.26 = 136.41 : x
  2. Step 2: Convert to fraction form
    501.58/752.26 = 136.41/x
  3. Step 3: Cross multiply
    501.58x = 752.26 × 136.41
  4. Step 4: Simplify right side
    501.58x = 102,615.79
  5. Step 5: Solve for x
    x = 102,615.79/501.58
  6. Step 6: Final answer
    x = 204.59

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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.