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Finding the Fourth Proportional to 888.39, 1,332.77 and 303.35

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Solution

The fourth proportional to 888.39, 1,332.77 and 303.35 is: 455.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    888.39 : 1,332.77 = 303.35 : x
  2. Step 2: Convert to fraction form
    888.39/1,332.77 = 303.35/x
  3. Step 3: Cross multiply
    888.39x = 1,332.77 × 303.35
  4. Step 4: Simplify right side
    888.39x = 404,287.60
  5. Step 5: Solve for x
    x = 404,287.60/888.39
  6. Step 6: Final answer
    x = 455.08

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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.