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Finding the Fourth Proportional to 951.95, 1,314.63 and 658.23

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Solution

The fourth proportional to 951.95, 1,314.63 and 658.23 is: 909.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    951.95 : 1,314.63 = 658.23 : x
  2. Step 2: Convert to fraction form
    951.95/1,314.63 = 658.23/x
  3. Step 3: Cross multiply
    951.95x = 1,314.63 × 658.23
  4. Step 4: Simplify right side
    951.95x = 865,323.98
  5. Step 5: Solve for x
    x = 865,323.98/951.95
  6. Step 6: Final answer
    x = 909.00

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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.