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Finding the Fourth Proportional to 632.97, 948.20 and 503.19

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Solution

The fourth proportional to 632.97, 948.20 and 503.19 is: 753.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    632.97 : 948.20 = 503.19 : x
  2. Step 2: Convert to fraction form
    632.97/948.20 = 503.19/x
  3. Step 3: Cross multiply
    632.97x = 948.20 × 503.19
  4. Step 4: Simplify right side
    632.97x = 477,122.24
  5. Step 5: Solve for x
    x = 477,122.24/632.97
  6. Step 6: Final answer
    x = 753.78

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1.5x scale

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.