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Finding the Fourth Proportional to 177.02, 265.73 and 159.60

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Solution

The fourth proportional to 177.02, 265.73 and 159.60 is: 239.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    177.02 : 265.73 = 159.60 : x
  2. Step 2: Convert to fraction form
    177.02/265.73 = 159.60/x
  3. Step 3: Cross multiply
    177.02x = 265.73 × 159.60
  4. Step 4: Simplify right side
    177.02x = 42,409.71
  5. Step 5: Solve for x
    x = 42,409.71/177.02
  6. Step 6: Final answer
    x = 239.58

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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.