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Finding the Fourth Proportional to 370.96, 556.49 and 124.08

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Solution

The fourth proportional to 370.96, 556.49 and 124.08 is: 186.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    370.96 : 556.49 = 124.08 : x
  2. Step 2: Convert to fraction form
    370.96/556.49 = 124.08/x
  3. Step 3: Cross multiply
    370.96x = 556.49 × 124.08
  4. Step 4: Simplify right side
    370.96x = 69,045.88
  5. Step 5: Solve for x
    x = 69,045.88/370.96
  6. Step 6: Final answer
    x = 186.13

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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.