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Finding the Fourth Proportional to 677.53, 934.99 and 367.03

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Solution

The fourth proportional to 677.53, 934.99 and 367.03 is: 506.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    677.53 : 934.99 = 367.03 : x
  2. Step 2: Convert to fraction form
    677.53/934.99 = 367.03/x
  3. Step 3: Cross multiply
    677.53x = 934.99 × 367.03
  4. Step 4: Simplify right side
    677.53x = 343,169.38
  5. Step 5: Solve for x
    x = 343,169.38/677.53
  6. Step 6: Final answer
    x = 506.50

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Double scale
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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.