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Finding the Fourth Proportional to 650.76, 973.78 and 607.30

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Solution

The fourth proportional to 650.76, 973.78 and 607.30 is: 908.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    650.76 : 973.78 = 607.30 : x
  2. Step 2: Convert to fraction form
    650.76/973.78 = 607.30/x
  3. Step 3: Cross multiply
    650.76x = 973.78 × 607.30
  4. Step 4: Simplify right side
    650.76x = 591,376.59
  5. Step 5: Solve for x
    x = 591,376.59/650.76
  6. Step 6: Final answer
    x = 908.75

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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.