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Finding the Fourth Proportional to 434.48, 650.75 and 296.91

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Solution

The fourth proportional to 434.48, 650.75 and 296.91 is: 444.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    434.48 : 650.75 = 296.91 : x
  2. Step 2: Convert to fraction form
    434.48/650.75 = 296.91/x
  3. Step 3: Cross multiply
    434.48x = 650.75 × 296.91
  4. Step 4: Simplify right side
    434.48x = 193,212.70
  5. Step 5: Solve for x
    x = 193,212.70/434.48
  6. Step 6: Final answer
    x = 444.70

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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.