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Finding the Fourth Proportional to 174.41, 240.53 and 115.29

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Solution

The fourth proportional to 174.41, 240.53 and 115.29 is: 159.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.41 : 240.53 = 115.29 : x
  2. Step 2: Convert to fraction form
    174.41/240.53 = 115.29/x
  3. Step 3: Cross multiply
    174.41x = 240.53 × 115.29
  4. Step 4: Simplify right side
    174.41x = 27,730.13
  5. Step 5: Solve for x
    x = 27,730.13/174.41
  6. Step 6: Final answer
    x = 159.00

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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.