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Finding the Fourth Proportional to 544.60, 812.06 and 479.84

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Solution

The fourth proportional to 544.60, 812.06 and 479.84 is: 715.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    544.60 : 812.06 = 479.84 : x
  2. Step 2: Convert to fraction form
    544.60/812.06 = 479.84/x
  3. Step 3: Cross multiply
    544.60x = 812.06 × 479.84
  4. Step 4: Simplify right side
    544.60x = 389,658.87
  5. Step 5: Solve for x
    x = 389,658.87/544.60
  6. Step 6: Final answer
    x = 715.50

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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.