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Finding the Fourth Proportional to 696.29, 962.97 and 608.81

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Solution

The fourth proportional to 696.29, 962.97 and 608.81 is: 841.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    696.29 : 962.97 = 608.81 : x
  2. Step 2: Convert to fraction form
    696.29/962.97 = 608.81/x
  3. Step 3: Cross multiply
    696.29x = 962.97 × 608.81
  4. Step 4: Simplify right side
    696.29x = 586,265.77
  5. Step 5: Solve for x
    x = 586,265.77/696.29
  6. Step 6: Final answer
    x = 841.99

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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.