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Finding the Fourth Proportional to 650.74, 973.79 and 607.30

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Solution

The fourth proportional to 650.74, 973.79 and 607.30 is: 908.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    650.74 : 973.79 = 607.30 : x
  2. Step 2: Convert to fraction form
    650.74/973.79 = 607.30/x
  3. Step 3: Cross multiply
    650.74x = 973.79 × 607.30
  4. Step 4: Simplify right side
    650.74x = 591,382.67
  5. Step 5: Solve for x
    x = 591,382.67/650.74
  6. Step 6: Final answer
    x = 908.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.