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Finding the Fourth Proportional to 973.37, 1,343.23 and 531.27

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Solution

The fourth proportional to 973.37, 1,343.23 and 531.27 is: 733.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    973.37 : 1,343.23 = 531.27 : x
  2. Step 2: Convert to fraction form
    973.37/1,343.23 = 531.27/x
  3. Step 3: Cross multiply
    973.37x = 1,343.23 × 531.27
  4. Step 4: Simplify right side
    973.37x = 713,616.47
  5. Step 5: Solve for x
    x = 713,616.47/973.37
  6. Step 6: Final answer
    x = 733.14

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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.