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Finding the Fourth Proportional to 707.04, 1,059.82 and 359.60

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Solution

The fourth proportional to 707.04, 1,059.82 and 359.60 is: 539.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    707.04 : 1,059.82 = 359.60 : x
  2. Step 2: Convert to fraction form
    707.04/1,059.82 = 359.60/x
  3. Step 3: Cross multiply
    707.04x = 1,059.82 × 359.60
  4. Step 4: Simplify right side
    707.04x = 381,105.07
  5. Step 5: Solve for x
    x = 381,105.07/707.04
  6. Step 6: Final answer
    x = 539.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.