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Finding the Fourth Proportional to 607.02, 910.10 and 277.80

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Solution

The fourth proportional to 607.02, 910.10 and 277.80 is: 416.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    607.02 : 910.10 = 277.80 : x
  2. Step 2: Convert to fraction form
    607.02/910.10 = 277.80/x
  3. Step 3: Cross multiply
    607.02x = 910.10 × 277.80
  4. Step 4: Simplify right side
    607.02x = 252,825.78
  5. Step 5: Solve for x
    x = 252,825.78/607.02
  6. Step 6: Final answer
    x = 416.50

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Similar ratio
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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.