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Finding the Fourth Proportional to 612, 923.58 and 608.22

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Solution

The fourth proportional to 612, 923.58 and 608.22 is: 917.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    612 : 923.58 = 608.22 : x
  2. Step 2: Convert to fraction form
    612/923.58 = 608.22/x
  3. Step 3: Cross multiply
    612x = 923.58 × 608.22
  4. Step 4: Simplify right side
    612x = 561,739.83
  5. Step 5: Solve for x
    x = 561,739.83/612
  6. Step 6: Final answer
    x = 917.88

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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.