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Finding the Fourth Proportional to 562.28, 837.70 and 547.54

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Solution

The fourth proportional to 562.28, 837.70 and 547.54 is: 815.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    562.28 : 837.70 = 547.54 : x
  2. Step 2: Convert to fraction form
    562.28/837.70 = 547.54/x
  3. Step 3: Cross multiply
    562.28x = 837.70 × 547.54
  4. Step 4: Simplify right side
    562.28x = 458,674.26
  5. Step 5: Solve for x
    x = 458,674.26/562.28
  6. Step 6: Final answer
    x = 815.74

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.