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Finding the Fourth Proportional to 544.32, 749.46 and 495.72

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Solution

The fourth proportional to 544.32, 749.46 and 495.72 is: 682.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    544.32 : 749.46 = 495.72 : x
  2. Step 2: Convert to fraction form
    544.32/749.46 = 495.72/x
  3. Step 3: Cross multiply
    544.32x = 749.46 × 495.72
  4. Step 4: Simplify right side
    544.32x = 371,522.31
  5. Step 5: Solve for x
    x = 371,522.31/544.32
  6. Step 6: Final answer
    x = 682.54

Related Problems

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1.5x scale

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.