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Finding the Fourth Proportional to 444.75, 613.47 and 357.63

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Solution

The fourth proportional to 444.75, 613.47 and 357.63 is: 493.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    444.75 : 613.47 = 357.63 : x
  2. Step 2: Convert to fraction form
    444.75/613.47 = 357.63/x
  3. Step 3: Cross multiply
    444.75x = 613.47 × 357.63
  4. Step 4: Simplify right side
    444.75x = 219,395.28
  5. Step 5: Solve for x
    x = 219,395.28/444.75
  6. Step 6: Final answer
    x = 493.30

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Find fourth proportional to 222.38, 306.74 and 178.82
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Double scale
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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.