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Finding the Fourth Proportional to 94.00, 129.63 and 58.98

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Solution

The fourth proportional to 94.00, 129.63 and 58.98 is: 81.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    94.00 : 129.63 = 58.98 : x
  2. Step 2: Convert to fraction form
    94.00/129.63 = 58.98/x
  3. Step 3: Cross multiply
    94.00x = 129.63 × 58.98
  4. Step 4: Simplify right side
    94.00x = 7,646.28
  5. Step 5: Solve for x
    x = 7,646.28/94.00
  6. Step 6: Final answer
    x = 81.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.