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Finding the Fourth Proportional to 149.44, 224.09 and 58.07

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Solution

The fourth proportional to 149.44, 224.09 and 58.07 is: 87.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    149.44 : 224.09 = 58.07 : x
  2. Step 2: Convert to fraction form
    149.44/224.09 = 58.07/x
  3. Step 3: Cross multiply
    149.44x = 224.09 × 58.07
  4. Step 4: Simplify right side
    149.44x = 13,012.91
  5. Step 5: Solve for x
    x = 13,012.91/149.44
  6. Step 6: Final answer
    x = 87.08

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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.