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Finding the Fourth Proportional to 888.05, 1,332.03 and 367.91

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Solution

The fourth proportional to 888.05, 1,332.03 and 367.91 is: 551.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    888.05 : 1,332.03 = 367.91 : x
  2. Step 2: Convert to fraction form
    888.05/1,332.03 = 367.91/x
  3. Step 3: Cross multiply
    888.05x = 1,332.03 × 367.91
  4. Step 4: Simplify right side
    888.05x = 490,060.50
  5. Step 5: Solve for x
    x = 490,060.50/888.05
  6. Step 6: Final answer
    x = 551.84

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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.