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Finding the Fourth Proportional to 699.70, 962.75 and 606.16

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Solution

The fourth proportional to 699.70, 962.75 and 606.16 is: 834.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    699.70 : 962.75 = 606.16 : x
  2. Step 2: Convert to fraction form
    699.70/962.75 = 606.16/x
  3. Step 3: Cross multiply
    699.70x = 962.75 × 606.16
  4. Step 4: Simplify right side
    699.70x = 583,580.54
  5. Step 5: Solve for x
    x = 583,580.54/699.70
  6. Step 6: Final answer
    x = 834.04

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1.5x scale

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.