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Finding the Fourth Proportional to 96.40, 145.46 and 93.01

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Solution

The fourth proportional to 96.40, 145.46 and 93.01 is: 140.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.40 : 145.46 = 93.01 : x
  2. Step 2: Convert to fraction form
    96.40/145.46 = 93.01/x
  3. Step 3: Cross multiply
    96.40x = 145.46 × 93.01
  4. Step 4: Simplify right side
    96.40x = 13,529.23
  5. Step 5: Solve for x
    x = 13,529.23/96.40
  6. Step 6: Final answer
    x = 140.34

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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.