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Finding the Fourth Proportional to 296.40, 441.48 and 295.08

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Solution

The fourth proportional to 296.40, 441.48 and 295.08 is: 439.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    296.40 : 441.48 = 295.08 : x
  2. Step 2: Convert to fraction form
    296.40/441.48 = 295.08/x
  3. Step 3: Cross multiply
    296.40x = 441.48 × 295.08
  4. Step 4: Simplify right side
    296.40x = 130,271.92
  5. Step 5: Solve for x
    x = 130,271.92/296.40
  6. Step 6: Final answer
    x = 439.51

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.