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Finding the Fourth Proportional to 544.60, 812.57 and 472.60

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Solution

The fourth proportional to 544.60, 812.57 and 472.60 is: 705.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    544.60 : 812.57 = 472.60 : x
  2. Step 2: Convert to fraction form
    544.60/812.57 = 472.60/x
  3. Step 3: Cross multiply
    544.60x = 812.57 × 472.60
  4. Step 4: Simplify right side
    544.60x = 384,020.58
  5. Step 5: Solve for x
    x = 384,020.58/544.60
  6. Step 6: Final answer
    x = 705.14

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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.