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Finding the Fourth Proportional to 177.98, 265.59 and 159.75

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Solution

The fourth proportional to 177.98, 265.59 and 159.75 is: 238.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    177.98 : 265.59 = 159.75 : x
  2. Step 2: Convert to fraction form
    177.98/265.59 = 159.75/x
  3. Step 3: Cross multiply
    177.98x = 265.59 × 159.75
  4. Step 4: Simplify right side
    177.98x = 42,428.00
  5. Step 5: Solve for x
    x = 42,428.00/177.98
  6. Step 6: Final answer
    x = 238.39

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.