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Finding the Fourth Proportional to 700.60, 965.93 and 479.17

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Solution

The fourth proportional to 700.60, 965.93 and 479.17 is: 660.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    700.60 : 965.93 = 479.17 : x
  2. Step 2: Convert to fraction form
    700.60/965.93 = 479.17/x
  3. Step 3: Cross multiply
    700.60x = 965.93 × 479.17
  4. Step 4: Simplify right side
    700.60x = 462,838.06
  5. Step 5: Solve for x
    x = 462,838.06/700.60
  6. Step 6: Final answer
    x = 660.63

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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.