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Finding the Fourth Proportional to 675.36, 932.22 and 454.95

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Solution

The fourth proportional to 675.36, 932.22 and 454.95 is: 627.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    675.36 : 932.22 = 454.95 : x
  2. Step 2: Convert to fraction form
    675.36/932.22 = 454.95/x
  3. Step 3: Cross multiply
    675.36x = 932.22 × 454.95
  4. Step 4: Simplify right side
    675.36x = 424,113.49
  5. Step 5: Solve for x
    x = 424,113.49/675.36
  6. Step 6: Final answer
    x = 627.98

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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.