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Finding the Fourth Proportional to 684.83, 943.37 and 544.91

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Solution

The fourth proportional to 684.83, 943.37 and 544.91 is: 750.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    684.83 : 943.37 = 544.91 : x
  2. Step 2: Convert to fraction form
    684.83/943.37 = 544.91/x
  3. Step 3: Cross multiply
    684.83x = 943.37 × 544.91
  4. Step 4: Simplify right side
    684.83x = 514,047.03
  5. Step 5: Solve for x
    x = 514,047.03/684.83
  6. Step 6: Final answer
    x = 750.62

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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.