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Finding the Fourth Proportional to 375.51, 563.22 and 159.06

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Solution

The fourth proportional to 375.51, 563.22 and 159.06 is: 238.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    375.51 : 563.22 = 159.06 : x
  2. Step 2: Convert to fraction form
    375.51/563.22 = 159.06/x
  3. Step 3: Cross multiply
    375.51x = 563.22 × 159.06
  4. Step 4: Simplify right side
    375.51x = 89,585.77
  5. Step 5: Solve for x
    x = 89,585.77/375.51
  6. Step 6: Final answer
    x = 238.57

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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.