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Finding the Fourth Proportional to 370.54, 555.49 and 165.04

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Solution

The fourth proportional to 370.54, 555.49 and 165.04 is: 247.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    370.54 : 555.49 = 165.04 : x
  2. Step 2: Convert to fraction form
    370.54/555.49 = 165.04/x
  3. Step 3: Cross multiply
    370.54x = 555.49 × 165.04
  4. Step 4: Simplify right side
    370.54x = 91,678.07
  5. Step 5: Solve for x
    x = 91,678.07/370.54
  6. Step 6: Final answer
    x = 247.42

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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.