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Finding the Fourth Proportional to 141.14, 211.54 and 64.08

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Solution

The fourth proportional to 141.14, 211.54 and 64.08 is: 96.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    141.14 : 211.54 = 64.08 : x
  2. Step 2: Convert to fraction form
    141.14/211.54 = 64.08/x
  3. Step 3: Cross multiply
    141.14x = 211.54 × 64.08
  4. Step 4: Simplify right side
    141.14x = 13,556.12
  5. Step 5: Solve for x
    x = 13,556.12/141.14
  6. Step 6: Final answer
    x = 96.05

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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.