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Finding the Fourth Proportional to 943.23, 1,301.67 and 544.98

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Solution

The fourth proportional to 943.23, 1,301.67 and 544.98 is: 752.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    943.23 : 1,301.67 = 544.98 : x
  2. Step 2: Convert to fraction form
    943.23/1,301.67 = 544.98/x
  3. Step 3: Cross multiply
    943.23x = 1,301.67 × 544.98
  4. Step 4: Simplify right side
    943.23x = 709,384.12
  5. Step 5: Solve for x
    x = 709,384.12/943.23
  6. Step 6: Final answer
    x = 752.08

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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.