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Finding the Fourth Proportional to 444.69, 613.65 and 248.20

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Solution

The fourth proportional to 444.69, 613.65 and 248.20 is: 342.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    444.69 : 613.65 = 248.20 : x
  2. Step 2: Convert to fraction form
    444.69/613.65 = 248.20/x
  3. Step 3: Cross multiply
    444.69x = 613.65 × 248.20
  4. Step 4: Simplify right side
    444.69x = 152,304.86
  5. Step 5: Solve for x
    x = 152,304.86/444.69
  6. Step 6: Final answer
    x = 342.50

Related Problems

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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.