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Finding the Fourth Proportional to 888.34, 1,332.48 and 565.18

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Solution

The fourth proportional to 888.34, 1,332.48 and 565.18 is: 847.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    888.34 : 1,332.48 = 565.18 : x
  2. Step 2: Convert to fraction form
    888.34/1,332.48 = 565.18/x
  3. Step 3: Cross multiply
    888.34x = 1,332.48 × 565.18
  4. Step 4: Simplify right side
    888.34x = 753,091.05
  5. Step 5: Solve for x
    x = 753,091.05/888.34
  6. Step 6: Final answer
    x = 847.75

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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.