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Finding the Fourth Proportional to 177.16, 265.02 and 141.16

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Solution

The fourth proportional to 177.16, 265.02 and 141.16 is: 211.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    177.16 : 265.02 = 141.16 : x
  2. Step 2: Convert to fraction form
    177.16/265.02 = 141.16/x
  3. Step 3: Cross multiply
    177.16x = 265.02 × 141.16
  4. Step 4: Simplify right side
    177.16x = 37,410.22
  5. Step 5: Solve for x
    x = 37,410.22/177.16
  6. Step 6: Final answer
    x = 211.17

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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.