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Finding the Fourth Proportional to 370.87, 555.92 and 151.40

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Solution

The fourth proportional to 370.87, 555.92 and 151.40 is: 226.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    370.87 : 555.92 = 151.40 : x
  2. Step 2: Convert to fraction form
    370.87/555.92 = 151.40/x
  3. Step 3: Cross multiply
    370.87x = 555.92 × 151.40
  4. Step 4: Simplify right side
    370.87x = 84,163.94
  5. Step 5: Solve for x
    x = 84,163.94/370.87
  6. Step 6: Final answer
    x = 226.94

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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.