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Finding the Fourth Proportional to 737.13, 1,015.70 and 527.13

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Solution

The fourth proportional to 737.13, 1,015.70 and 527.13 is: 726.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    737.13 : 1,015.70 = 527.13 : x
  2. Step 2: Convert to fraction form
    737.13/1,015.70 = 527.13/x
  3. Step 3: Cross multiply
    737.13x = 1,015.70 × 527.13
  4. Step 4: Simplify right side
    737.13x = 535,403.31
  5. Step 5: Solve for x
    x = 535,403.31/737.13
  6. Step 6: Final answer
    x = 726.33

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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.