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Finding the Fourth Proportional to 632.39, 943.95 and 586.07

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Solution

The fourth proportional to 632.39, 943.95 and 586.07 is: 874.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    632.39 : 943.95 = 586.07 : x
  2. Step 2: Convert to fraction form
    632.39/943.95 = 586.07/x
  3. Step 3: Cross multiply
    632.39x = 943.95 × 586.07
  4. Step 4: Simplify right side
    632.39x = 553,220.78
  5. Step 5: Solve for x
    x = 553,220.78/632.39
  6. Step 6: Final answer
    x = 874.81

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.