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Finding the Fourth Proportional to 607.01, 911.37 and 347.53

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Solution

The fourth proportional to 607.01, 911.37 and 347.53 is: 521.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    607.01 : 911.37 = 347.53 : x
  2. Step 2: Convert to fraction form
    607.01/911.37 = 347.53/x
  3. Step 3: Cross multiply
    607.01x = 911.37 × 347.53
  4. Step 4: Simplify right side
    607.01x = 316,728.42
  5. Step 5: Solve for x
    x = 316,728.42/607.01
  6. Step 6: Final answer
    x = 521.78

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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.