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Finding the Fourth Proportional to 887.91, 1,332.34 and 367.95

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Solution

The fourth proportional to 887.91, 1,332.34 and 367.95 is: 552.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    887.91 : 1,332.34 = 367.95 : x
  2. Step 2: Convert to fraction form
    887.91/1,332.34 = 367.95/x
  3. Step 3: Cross multiply
    887.91x = 1,332.34 × 367.95
  4. Step 4: Simplify right side
    887.91x = 490,234.50
  5. Step 5: Solve for x
    x = 490,234.50/887.91
  6. Step 6: Final answer
    x = 552.12

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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.