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Finding the Fourth Proportional to 94.71, 131.24 and 88.93

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Solution

The fourth proportional to 94.71, 131.24 and 88.93 is: 123.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    94.71 : 131.24 = 88.93 : x
  2. Step 2: Convert to fraction form
    94.71/131.24 = 88.93/x
  3. Step 3: Cross multiply
    94.71x = 131.24 × 88.93
  4. Step 4: Simplify right side
    94.71x = 11,670.51
  5. Step 5: Solve for x
    x = 11,670.51/94.71
  6. Step 6: Final answer
    x = 123.23

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.