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Finding the Fourth Proportional to 637.84, 960.70 and 607.12

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Solution

The fourth proportional to 637.84, 960.70 and 607.12 is: 914.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    637.84 : 960.70 = 607.12 : x
  2. Step 2: Convert to fraction form
    637.84/960.70 = 607.12/x
  3. Step 3: Cross multiply
    637.84x = 960.70 × 607.12
  4. Step 4: Simplify right side
    637.84x = 583,260.18
  5. Step 5: Solve for x
    x = 583,260.18/637.84
  6. Step 6: Final answer
    x = 914.43

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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.