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Finding the Fourth Proportional to 658.60, 963.50 and 658.60

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Solution

The fourth proportional to 658.60, 963.50 and 658.60 is: 963.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    658.60 : 963.50 = 658.60 : x
  2. Step 2: Convert to fraction form
    658.60/963.50 = 658.60/x
  3. Step 3: Cross multiply
    658.60x = 963.50 × 658.60
  4. Step 4: Simplify right side
    658.60x = 634,561.10
  5. Step 5: Solve for x
    x = 634,561.10/658.60
  6. Step 6: Final answer
    x = 963.50

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.