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Finding the Fourth Proportional to 888.47, 1,226.54 and 534.59

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Solution

The fourth proportional to 888.47, 1,226.54 and 534.59 is: 738.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    888.47 : 1,226.54 = 534.59 : x
  2. Step 2: Convert to fraction form
    888.47/1,226.54 = 534.59/x
  3. Step 3: Cross multiply
    888.47x = 1,226.54 × 534.59
  4. Step 4: Simplify right side
    888.47x = 655,696.02
  5. Step 5: Solve for x
    x = 655,696.02/888.47
  6. Step 6: Final answer
    x = 738.01

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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.