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Finding the Fourth Proportional to 888.27, 1,225.83 and 534.24

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Solution

The fourth proportional to 888.27, 1,225.83 and 534.24 is: 737.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    888.27 : 1,225.83 = 534.24 : x
  2. Step 2: Convert to fraction form
    888.27/1,225.83 = 534.24/x
  3. Step 3: Cross multiply
    888.27x = 1,225.83 × 534.24
  4. Step 4: Simplify right side
    888.27x = 654,887.42
  5. Step 5: Solve for x
    x = 654,887.42/888.27
  6. Step 6: Final answer
    x = 737.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.