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Finding the Fourth Proportional to 676.44, 933.46 and 377.68

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Solution

The fourth proportional to 676.44, 933.46 and 377.68 is: 521.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    676.44 : 933.46 = 377.68 : x
  2. Step 2: Convert to fraction form
    676.44/933.46 = 377.68/x
  3. Step 3: Cross multiply
    676.44x = 933.46 × 377.68
  4. Step 4: Simplify right side
    676.44x = 352,547.65
  5. Step 5: Solve for x
    x = 352,547.65/676.44
  6. Step 6: Final answer
    x = 521.18

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1.5x scale

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.