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Finding the Fourth Proportional to 544.50, 752.63 and 470.66

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Solution

The fourth proportional to 544.50, 752.63 and 470.66 is: 650.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    544.50 : 752.63 = 470.66 : x
  2. Step 2: Convert to fraction form
    544.50/752.63 = 470.66/x
  3. Step 3: Cross multiply
    544.50x = 752.63 × 470.66
  4. Step 4: Simplify right side
    544.50x = 354,226.72
  5. Step 5: Solve for x
    x = 354,226.72/544.50
  6. Step 6: Final answer
    x = 650.55

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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.