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Finding the Fourth Proportional to 959.74, 1,324.36 and 606.01

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Solution

The fourth proportional to 959.74, 1,324.36 and 606.01 is: 836.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    959.74 : 1,324.36 = 606.01 : x
  2. Step 2: Convert to fraction form
    959.74/1,324.36 = 606.01/x
  3. Step 3: Cross multiply
    959.74x = 1,324.36 × 606.01
  4. Step 4: Simplify right side
    959.74x = 802,575.40
  5. Step 5: Solve for x
    x = 802,575.40/959.74
  6. Step 6: Final answer
    x = 836.24

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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.