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Finding the Fourth Proportional to 573.26, 859.80 and 188.51

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Solution

The fourth proportional to 573.26, 859.80 and 188.51 is: 282.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    573.26 : 859.80 = 188.51 : x
  2. Step 2: Convert to fraction form
    573.26/859.80 = 188.51/x
  3. Step 3: Cross multiply
    573.26x = 859.80 × 188.51
  4. Step 4: Simplify right side
    573.26x = 162,080.90
  5. Step 5: Solve for x
    x = 162,080.90/573.26
  6. Step 6: Final answer
    x = 282.74

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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.