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Finding the Fourth Proportional to 655.80, 983.58 and 244.90

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Solution

The fourth proportional to 655.80, 983.58 and 244.90 is: 367.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    655.80 : 983.58 = 244.90 : x
  2. Step 2: Convert to fraction form
    655.80/983.58 = 244.90/x
  3. Step 3: Cross multiply
    655.80x = 983.58 × 244.90
  4. Step 4: Simplify right side
    655.80x = 240,878.74
  5. Step 5: Solve for x
    x = 240,878.74/655.80
  6. Step 6: Final answer
    x = 367.31

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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.