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Finding the Fourth Proportional to 652.00, 893.25 and 627.40

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Solution

The fourth proportional to 652.00, 893.25 and 627.40 is: 859.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    652.00 : 893.25 = 627.40 : x
  2. Step 2: Convert to fraction form
    652.00/893.25 = 627.40/x
  3. Step 3: Cross multiply
    652.00x = 893.25 × 627.40
  4. Step 4: Simplify right side
    652.00x = 560,422.91
  5. Step 5: Solve for x
    x = 560,422.91/652.00
  6. Step 6: Final answer
    x = 859.55

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.