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Finding the Fourth Proportional to 559.73, 839.45 and 235.01

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Solution

The fourth proportional to 559.73, 839.45 and 235.01 is: 352.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    559.73 : 839.45 = 235.01 : x
  2. Step 2: Convert to fraction form
    559.73/839.45 = 235.01/x
  3. Step 3: Cross multiply
    559.73x = 839.45 × 235.01
  4. Step 4: Simplify right side
    559.73x = 197,275.53
  5. Step 5: Solve for x
    x = 197,275.53/559.73
  6. Step 6: Final answer
    x = 352.45

Related Problems

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Double scale
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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.