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Finding the Fourth Proportional to 296.43, 444.71 and 91.01

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Solution

The fourth proportional to 296.43, 444.71 and 91.01 is: 136.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    296.43 : 444.71 = 91.01 : x
  2. Step 2: Convert to fraction form
    296.43/444.71 = 91.01/x
  3. Step 3: Cross multiply
    296.43x = 444.71 × 91.01
  4. Step 4: Simplify right side
    296.43x = 40,471.06
  5. Step 5: Solve for x
    x = 40,471.06/296.43
  6. Step 6: Final answer
    x = 136.53

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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.