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Finding the Fourth Proportional to 648.66, 895 and 544.17

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Solution

The fourth proportional to 648.66, 895 and 544.17 is: 750.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    648.66 : 895 = 544.17 : x
  2. Step 2: Convert to fraction form
    648.66/895 = 544.17/x
  3. Step 3: Cross multiply
    648.66x = 895 × 544.17
  4. Step 4: Simplify right side
    648.66x = 487,032.15
  5. Step 5: Solve for x
    x = 487,032.15/648.66
  6. Step 6: Final answer
    x = 750.83

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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.