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Finding the Fourth Proportional to 798.19, 1,101.61 and 466.75

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Solution

The fourth proportional to 798.19, 1,101.61 and 466.75 is: 644.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    798.19 : 1,101.61 = 466.75 : x
  2. Step 2: Convert to fraction form
    798.19/1,101.61 = 466.75/x
  3. Step 3: Cross multiply
    798.19x = 1,101.61 × 466.75
  4. Step 4: Simplify right side
    798.19x = 514,176.47
  5. Step 5: Solve for x
    x = 514,176.47/798.19
  6. Step 6: Final answer
    x = 644.18

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.