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Finding the Fourth Proportional to 296.29, 444.53 and 140.18

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Solution

The fourth proportional to 296.29, 444.53 and 140.18 is: 210.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    296.29 : 444.53 = 140.18 : x
  2. Step 2: Convert to fraction form
    296.29/444.53 = 140.18/x
  3. Step 3: Cross multiply
    296.29x = 444.53 × 140.18
  4. Step 4: Simplify right side
    296.29x = 62,313.48
  5. Step 5: Solve for x
    x = 62,313.48/296.29
  6. Step 6: Final answer
    x = 210.31

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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.