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Finding the Fourth Proportional to 973.72, 1,343.52 and 600.56

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Solution

The fourth proportional to 973.72, 1,343.52 and 600.56 is: 828.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    973.72 : 1,343.52 = 600.56 : x
  2. Step 2: Convert to fraction form
    973.72/1,343.52 = 600.56/x
  3. Step 3: Cross multiply
    973.72x = 1,343.52 × 600.56
  4. Step 4: Simplify right side
    973.72x = 806,864.37
  5. Step 5: Solve for x
    x = 806,864.37/973.72
  6. Step 6: Final answer
    x = 828.64

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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.