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Finding the Fourth Proportional to 96.58, 145.60 and 95.18

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Solution

The fourth proportional to 96.58, 145.60 and 95.18 is: 143.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.58 : 145.60 = 95.18 : x
  2. Step 2: Convert to fraction form
    96.58/145.60 = 95.18/x
  3. Step 3: Cross multiply
    96.58x = 145.60 × 95.18
  4. Step 4: Simplify right side
    96.58x = 13,858.21
  5. Step 5: Solve for x
    x = 13,858.21/96.58
  6. Step 6: Final answer
    x = 143.49

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.